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GFN Prime Search Status and History

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Range status key:

Range has been double-checked Range is currently being searched Range has been single-checked Primes have been reported in this range but the complete search history is unknown

GFN Prime Search Status: n=13

As of 1st September 2017, there are 5119 known primes of the form b^2^13+1 = b^8192+1.

The following values of b give primes:


b Range status
30406
71852
85654
111850
126308
134492
144642
147942
150152
165894
176206
180924
201170
212724
222764
225174
241600
241860
248744
268032
270674
302368
316970
326260
347962
350830
397468
410938
416010
424584 *
425848 *
426338 *
441238
443718
458520
462678
463012
475158
481750
504216
525928
529748
550716
555298
582094
592486
595686 *
611828
612574
618000
621962
632980
648008
648014
654692
682912
683616
691576
693634
702358
713310
717918
740894
741386
764898
769930
775932
809562 *
820800
828126
850862
865780
899218
902156
912598
942712
945538
972060
992256
1002774
1024528
1054796
1062742
1102280
1111954
1129938
1171724
1191962
1199114
1251726
1277532
1293450
1300524
1309740
1310750
1339472
1341388
1351542
1383616
1407162
1417130 *
1424070
1426940
1430330
1437074
1474726
1483422
1490968
1520798
1531618
1531774
1535066
1536170
1536420
1556664
1570672
1588396
1594494
1601450
1614620
1646566
1656386
1663376
1667590
1668056
1669398
1712432
1739668
1769312
1779924
1799366
1799426
1808868
1816632
1828314
1829190
1830014
1843976
1858588
1886614
1906396
1907824
1908734
1914034
1922322
1927676
1949282
1977442
1979360
1987932
2030234
2030498
2045080
2048738
2062242
2067004
2077684
2083676
2097092
2097106
2135670
2139400
2147092
2147472
2165096
2190878
2218858
2235944
2242146
2242876
2265792
2266172
2280236
2337996
2338560
2338588
2339968
2341848
2344900
2349806
2377472
2409664
2453064
2461418
2473186
2475266
2485610
2509292
2521912
2528992
2533878
2542784
2551544
2571528
2579772
2584802
Up to b=2.6M was first searched by Yves Gallot's GFN Search. A single-pass check was made using Proth.exe, completed on 16th August 2001. 190 primes were found.

A full double-check has been carried out by Steven Wong (mackerel) using Genefer in November 2015, finding 6 additional primes (*).
2609586
2638090
2638500
2643468
2678312
2692776
2701384
2704056
2717110
2717666
2723438
2754952
2783658
2802980
2809062
2827712
2847334
2847560
2863702
2881492
2891388
2893656
2931972
2988940
3019720
3043330
3059382
3060504
3075274
3088230
3115558
3151632
3172912
3176796
3180810
3213170
3240572
3246662
3255084
3258412
3278366
3290394
3295398
3301478
3307766
3313000
3351470
3353172
3363712
3412104
3431644
3444916
3471252
3486512
3496236
3508302
3509464
3531074
3534178
3560456
3571068
3572560
3586570
3616356
3621438
3632966
3654276
3659690
3711150
3726876
3748118
3753642
3758842
3780970 *
Up to b=3.8M was searched by various people including Michael Angel, Daniel Heuer, David Underbakke, Sander Hoogendorn, Yves Gallot, Gary Chaffey, Arlin Anderson, Donald Robinson, Kenneth Crawford, Kimmo Herranen and Yary Hluchan, using Proth.exe. A single-pass check is believed to have been made between March 2001 and August 2003 - at least no obvious gaps are observed! 73 primes were found.

A full double-check has been carried out by Steven Wong (mackerel) using Genefer in February 2016, finding 1 additional prime (*).
3823742 *
3832518 *
3838830
3842028 *
3859880 *
3870530 *
3873848 *
3882502 *
3900004
3919726
3937420
3955184
3976260
3980348
3996928
3998470
3998550
4017872
4046902
4078568
4087678
4101420
4127328
4139380
4188094
4191168
4218226
4221086
4239916
4251142
4262848
4309750
4329594
4350504
4356244
4384154
4408674
4429082
4429594
4464300
4465490
4475536
4483362
4486442
4496692
4499488
4528286
4534568
4572952
4580058
4585666
4597798
4619998
4627868
4641748
4649404
4679146
4711948
4759584
4763646
4791758
4798334
4807522
4898490
4908214
4928686
4931724
4962518
4967282
4987352
5009176
5027498
5041492
5051948
5081690
5107658
5125774
5152370
5156120
5178732
5181526
5216394
5218482
5221918
5223142
5230434
5258822
5294894
5296918
5298998
5300438
5303404
5346362
5386682
5408588
5479292
5483578
5535402
5549252
5586600
5589752
5637988
5661390
5679714
5686808
5706276
5707178
5728930
5741876
5745762
5751776
5752952 *
5755882
5766300
5772854
5798192
5812350
5823376
5825726
5904560 *
5909246
5934360 *
5946402 *
5957140
5965110
6000492
6004934
6006008
6035554
6036960
6052296
6079782
6079978
6098536
6103816 *
6119262 *
6128272 *
6136522
6159590
6172076
6192974
6195230
6239538
6257186
6260480
6278666
6283332
6300142
6323044
6323168
6324710
6334266
6381682
6391586
6421516
6481512
6560464
6563468
6567220
6575922
6581858
6597250
6618952
6624360
6629058
6659388
6682202
6689170
6693148
6702034
6743868
6755756
6755760
6808742
6812304
6838728
6845988
6849418
6857376
6906040
6916408
6928008
6943112
6958228
6989286
7008986
7041042
7069626
7077852
7098696
7103550
7119174
7147046
7147352
7147688
7168712
7211184
7267486
7267818
7277288
7286210
7305234
7325600
7333990
7342950
7352812
7359734
7363162
7394142
7414366
7441648
7443078
7461158
7470684
7490258
7504876
7509818
7514620
7549630
7561508
7611200
7612842
7614628
7637378
7639752
7678856
7698270
7705876
7709992
7748584
7773486
7809328
7811930
7818684
7819994
7820534
7837090
7850224
7857068
7880322
7896106
7923044
7926478
7953820
7955314
7960574
7965706
7977502
7977614
7986650
7992528
8014742
8024378
8032126
8045590
8067578
8103476
8104156
8112722
8118892
8130630
8132604
8139838
8158200
8161250
8166200
8171622
8172292
8185796
8215208
8226770
8268700
8269296
8270314
8270470
8297284
8303048
8308368
8318728
8325966
8336428
8347782
8356860
8370912
8376260
8381968
8395978
8475864
8477374
8480662
8522612
8538180
8549814
8555504
8566898
8591222
8641276
8668052
8708920
8721238
8734514
8776948
8811070
8822726
8852544
8853380
8885492
8885558
8887072
8897766
8916110
8942212
8947268
8954436
8955198
8974068
8979270
8988168
8996836
9010024
9094282
9096340
9107408
9138744
9173898
9191894
9198222
9231236
9234594
9235064
9238872
9246486
9247840
9251008
9265092
9267208
9276274
9288500
9294070
9333086
9361420
9363786
9378160
9391800
9395574
9447270
9456596
9463756
9464758
9468350
9480022
9511100
9533810
9551058
9555246
9594450
9598054
9664330
9665758
9687820
9692594
9709692
9710254
9715156
9757138
9785838
9792148
9797184
9798584
9871992
9872994
9907898
9963660
Up to b=10M was searched by various people including Michael Angel, Jiong Sun, and Kimmo Herranen, using Proth.exe. A single-pass check is believed to have been made between August 2002 and January 2004 - at least no obvious gaps are observed! 359 primes were found.

This range was double-checked between August 2016 and October 2016 by Iain Bethune, Rafael Trigueiro, Pietari Snow and Steven Wong, using genefer. All 359 know primes were confirmed, and 14 new primes were found (*).
10012554
10013252
10024062
10054388
10082426
10084012
10121020
10130228
10144354
10164322
10193336
10216418
10240100
10256474
10262128
10299738
10301192
10332620
10338880
10339584
10352414
10362146
10376728
10387804
10426044
10426102
10442230
10470216
10477608
10483026
10504056
10514700
10515276
10519298
10544930
10557300
10569438
10575196
10590694
10592162
10593320
10609322
10614944
10619220
10647642
10654576
10677416
10680632
10693324
10695918
10698880
10706524
10713384
10721782
10729714
10750272
10771338
10778436
10810884
10816580
10817108
10849108
10874204
10883850
10964074
10975676
10979578
10992872
11048072
11060632
11062004
11088040
11089710
11123688
11165722
11168492
11183804
11194384
Between b=10M and b=11.2M, 78 primes are reported by Bo Xiao and Simeon Ayeni between Feburary and October 2003, found using Proth.exe.

This range was double-checked by Rafael Trigueiro in March 2016 using Genefer.
11209008
11210128
11232114
11243734
11261154
11273618
11287918
11331642
11337090
11346984
11349422
11357626
11366732
11375636
11396450
11413940
11418022
11441874
11480606
11498142
11498890
11515220
11545770
11565148
11577410
11587764
11612592
11616190
11619282
11619828
11625048
11626292
11637260
11640938
11653270
11722636
11750516
11772708
11813870
11837926
11844594
11864878
11878578
11897736
11897972
11900406
11900912
11932502
11975374
11975656
11978428
11978990

The range b=11.2M to b=12M was checked by Rafael Trigueiro in May 2016 using Genefer. 52 primes were found.
It was double-checked by Iain Bethune in Aug 2016 using Genefer, finding no additional primes.
12000480
12002158
12015820
12024124
12043842
12056956
12101130
12119778
12135396
12138138
12148252
12155898
12166310
12185924
12198694
12212370
12223348
12254382
12294664
12302828
12318536
12321468
12327952
12331670
12341188
12352648
12387032
12398658
12404300
12409934
12415902
12440494
12491014
12492376
12510600
12527518
12528990
12530390
12540610
12577936
12595984
12599486
12613780
12693180
12710814
12722354
12723386
12739934
12755846
12768980
12798744
12852016
12869330
12926842
12928166
12942902
12952048
12958032
12981810
12993552
13018866
13034176
13040650
13062836
13069372
13071202
Between b=12M and b=13.1M, 66 primes are reported by Daniel Heuer between May and November 2003, found using Proth.exe.

This range was double-checked by Rafael Trigueiro in August 2016 using Genefer.
13106868
13113734
13171394
13199802
13222842
13232320
13255874
13267304
13278144
13280822
13289984
13291482
13298486
13313366
13327908
13333058
13333372
13368418
13377182
13381618
13387982
13413488
13414142
13438886
13451260
13466332
13508062
13510330
13527864
13558132
13567462
13575124
13612504
13622290
13626624
13665282
13698612
13700634
13703074
13716704
13723134
13767878
13773690
13823814
13832240
13840474
13871308
13883086
13915764
13947462
13985666
14015588
14066508
14118264
14126494
14159750
14176762
14178256
14191502
14214804
14219396
14229512
14236364
14246750
14258898
14259490
14263458
14269284
14305314
14376140
14414500
14415406
14427768
14447410
14464394
14502216
14507056
14513484
14523866
14525476
14543812
14552054
14579106
14587790
14640622
14647074
14658600
14699958
14710326
14727504
14743144
14798742
14813140
14836854
14863386
14877244
14912772
14935162
14972446
14979668
14991406
The range b=13.1M and b=15M was two-pass searched in October and November 2016 by a group of PrimeGrid users: Roman Trunov, Van Zimmerman, Pietari Snow, Steven Wong, Phil Lachance, and Sergey Kovalchuk, using Genefer. 101 primes were found.
15009974
15027002
15040376
15077342
15094476
15095836
15106734
15131460
15141246
15144578
15154432
15155568
15160216
15164872
15166574
15177954
15184852
15191842
15242430
15316386
15322166
15357410
15382560
15407376
15412032
15422880
15444098
15445290
Between b=15M and b=15.45M, 28 primes are reported by Kimmo Herranen between March and June 2003, found using Proth.exe.

This range was double-checked in November 2016 by a group of PrimeGrid users, using Genefer. No additional primes were found.
15476166
15489854
15492010
15494854
15522070
15545212
15551734
15553614
15590182
15605836
15610760
15613130
15621026
15624794
15630472
15637722
15647884
15649478
15665394
15668944
15668984
15709462
15722184
15740550
15758178
15765808
15766860
15767172
15772016
15781568
15784448
15825082
15827668
15856522
15859938
15871832
15876934
15877556
15918594
15977412
15988796
15994144
16037724
16062964
16129790
16148204
16190152
16194992
16204528
16206396
16212978
16214882
16248536
16249846
16256070
16274904
16277030
16278746
16296496
16304762
16318244
16322638
16347580
16373380
16383066
16397608
16414110
16440284
16449778
16474176
16475516
16477792
16489832
16493970
16495698
16550178
16558530
16589420
16593062
16599672
16627594
16628668
16633022
16651600
16673180
16678570
16679528
16742872
16743920
16750662
16759516
16805956
16833574
16886614
16890012
16892532
16911658
16938986
16965048
16979710
16989780
17016904
17059244
17114162
17170686
17203340
17210812
17227742
17252508
17258536
17259388
17310754
17318754
17331320
17335548
17352140
17368862
17411868
17436200
17451728
17479014
17486028
17490488
17499690
17501630
17524680
17525916
17545246
17547476
17553846
17560672
17579806
17587374
17590004
17600986
17613730
17650286
17655880
17677962
17698562
17736612
17765822
17769618
17778726
17793998
17821750
17827794
17858862
17938356
17947670
17953256
17975894
17994578
17999832
18013134
18036794
18037918
18040576
18058886
18091896
18108558
18108846
18116278
18150608
18167256
18167916
18184280
18256162
18265792
18272240
18274914
18300634
18323216
18369134
18373598
18493816
18528430
18532426
18538844
18579698
18617170
18655354
18672860
18676060
18690612
18703384
18728822
18733634
18735752
18742102
18755926
18778018
18796566
18809368
18835688
18836448
18848356
18872190
18892544
18921144
18928910
18935008
18948782
18991476
19004904
19053312
19081270
19107178
19115888
19139834
19141024
19151006
19157478
19158940
19188710
19199344
19227364
19249554
19262714
19297584
19332628
19332652
19351642
19371968
19392652
19401526
19408592
19448356
19450818
19467488
19477666
19495160
19508700
19513070
19536374
19571208
19572184
19648594
19654886
19664764
19702892
19775684
19798296
19820942
19888144
19906676
19915554
19926658
19946780
19971776
The range b=15.45M and b=19.98M was two-pass searched in November and December 2016 by a group of PrimeGrid users: Roman Trunov, Van Zimmerman, Pietari Snow, Steven Wong, Sergey Kovalchuk, "Reed" and "barton26" using Genefer. 250 primes were found.
19986772
19993360
20000822
20011520
20019740
20019996
20042202
20060352
20069466
20070350
20102378
20102932
20123302
20125834
20130506
20150772
20154492
20176186
20176578
Between b=19.98M and b=20.18M, 19 primes are reported by Shoichiro Yamada, Senjo Yamashita, Satoshi Noda and Kimihisa Ayuha in July and August 2004, found using Proth.exe and PFGW.

This range was double-checked in December 2016 by PrimeGrid users using Genefer. No additional primes were found.
20205588
20210316
20227698
20228314
20244668
20250922
20259414
20277322
20278290
20281340
20292718
20347786
20415764
20439366
20450672
20508234
20508888
20533552
20541396
20546414
20559268
20563330
20582670
20617950
20623560
20636262
20644690
20667508
20688928
20689012
20700534
20723578
20738688
20748548
20754154
20755284
20798200
20804306
20839214
20865344
20876428
20922148
20948954
20951958
20952258
20968206
20974132
20980506
20987452
20996422
20998722
21007922
21019116
21027248
21030934
21034534
21037232
21044528
21049010
21056198
21060798
21064634
21078806
21088702
21098352
21101886
21104816
21138106
21154674
21200998
21202350
21212906
21226124
21227200
21238286
21240594
21254980
21258504
21263518
21265130
21271646
21282478
21288800
21295636
21303458
21315224
21330452
21334496
21361682
21376156
21393794
21397920
21398956
21398990
21408480
21447006
21447932
21459296
21469644
21499702
21503192
21521436
21558860
21586438
21594648
21603362
21618018
21620496
21621146
21629070
21656224
21677946
21681508
21691790
21712526
21768342
21774286
21785214
21811692
21817714
21830422
21854946
21870944
21893162
21916346
21925300
21980396
21991480
21997332
22009704
22015740
22016326
22028538
22028808
22039770
22062696
22064990
22067348
22072576
22103256
22109588
22110108
22120000
22134760
22148870
22182972
22188664
22193830
22197802
22199364
22212502
22218464
22227112
22239140
22244716
22255392
22256704
22281740
22284002
22286250
22286532
22317504
22331288
22332982
22348590
22371646
22376588
22383716
22385656
22403664
22419654
22425874
22448824
22449810
22480380
22495614
22498794
22564496
22566240
22591308
22621786
22622644
22627866
22628772
22635010
22653564
22663314
22677892
22681238
22683772
22685732
22720776
22763252
22767892
22777896
22782710
22783320
22817088
22851776
22862826
22865088
22875560
22922700
22945602
22954590
22979346
22986576
22986962
23023128
23025530
23065832
23088824
23098830
23099550
23152866
23154584
23169686
23179346
23190502
23202254
23236822
23246950
23262810
23280878
23304910
23315016
23330414
23369732
23372200
23381420
23394984
23399974
23401886
23421268
23432304
23432502
23468454
23479622
23480912
23481130
23483302
23489586
23490616
23531592
23534098
23563302
23564098
23570206
23584964
23592594
23597028
23646632
23668946
23671372
23672886
23722766
23747874
23753924
23761166
23812034
23818538
23821110
23843106
23862466
23889060
23896042
23900408
23956558
23962182
23977982
23979198
23990640
23998360
24013998
24019446
24026310
24039544
24087186
24091842
24103182
24138380
24172628
24190990
24216014
24226638
24240892
24268190
24272218
24280914
24286164
24347392
24381362
24381856
24405572
24406228
24435744
24453542
24457138
24494322
24518774
24526634
24526702
24558940
24611806
24623564
24635050
24635568
24637486
24658594
24659242
24660668
24696182
24702230
24738200
24738432
24812286
24840876
24845162
24846872
24854690
24869982
24885200
24886762
24903558
24975256
25012510
25013294
25017756
25029328
25031696
25045374
25078948
25103392
25115536
25136766
25160360
25173020
25196538
25220100
25233396
25233998
25234368
25273482
25346160
25355932
25370452
25378226
25420004
25459532
25467460
25480538
25541742
25560178
25570150
25588784
25593700
25604876
25608712
25632764
25645432
25680962
25684682
25736610
25743300
25767014
25787198
25799264
25807776
25814374
25826396
25832542
25858236
25860520
25862848
25887388
25903564
25904916
25941912
25976730
25977422
26071886
26096082
26104122
26134340
26140106
26143328
26172082
26196318
26225598
26269352
26270118
26282546
26298732
26308530
26322898
26353994
26355172
26366960
26383210
26392246
26400216
26426684
26454852
26483872
26497598
26512588
26531150
26546766
26558034
26563722
26589716
26613752
26613920
26618018
26619790
26623724
26641454
26697590
26713224
26725364
26743168
26751458
26766686
26782422
26847432
26847626
26995672
27005020
27019290
27062832
27074940
27082938
27095638
27119796
27144110
27144378
27159738
27169362
27186276
27243560
27264608
27281146
27282872
27287562
27292230
27300982
27321606
27328216
27347050
27347978
27355944
27367314
27405754
27407052
27421126
27438282
27441280
27467228
27518922
27537744
27560384
27603982
27627008
27666380
27674848
27701330
27703456
27708182
27728958
27742046
27769238
27776788
27795420
27802126
27820302
27852098
27877772
27878616
27880220
27900598
27902226
27914320
27948824
27957256
27958058
27965768
27974306
27980514
27985304
28033130
28042174
28044134
28137690
28152744
28165112
28165970
28169738
28202382
28215028
28242778
28270576
28288326
28304204
28306960
28314072
28317352
28324196
28324276
28325010
28327302
28351338
28400778
28435598
28466002
28490474
28496180
28519260
28567860
28572716
28576542
28595146
28603656
28639082
28652542
28654056
28668932
28682348
28695422
28697114
28698634
28735320
28740720
28748062
28765868
28804054
28815876
28828172
28883786
28887042
28934446
28960570
28969850
28978588
28982896
28999656
29013890
29015360
29028906
29046466
29049948
29060660
29079188
29080058
29089744
29091742
29093204
29095414
29104774
29112368
29121600
29141906
29149470
29200928
29222876
29227028
29232186
29275908
29282952
29285862
29320766
29323590
29337992
29360392
29362824
29366548
29369982
29370030
29424418
29449654
29460598
29515186
29526990
29528768
29534388
29565294
29569684
29580006
29595384
29632230
29634750
29634882
29643878
29657152
29688378
29730270
29744458
29746900
29769734
29769764
29774194
29778784
29786478
29791820
29794274
29806944
29842926
29853486
29871144
29887206
29924950
29943510
29947698
29960118
29963258
29989994
29990854
29997534
30015130
30062006
30075080
30087750
30089206
30089448
30104540
30155736
30160430
30173544
30174196
30185928
30194420
30205220
30234412
30250638
30254568
30268776
30270754
30291696
30315126
30319530
30321118
30340134
30349128
30371242
30412398
30419302
30433552
30451614
30545922
30547860
30558182
30572290
30599512
30603254
30615626
30628834
30636220
30664212
30668388
30672262
30697518
30739364
30762374
30764690
30765334
30767440
30768618
30795066
30805468
30806210
30812180
30845268
30863294
30875440
30878204
30883294
30893832
30949286
30962816
30964392
30965736
30968384
30983374
30987522
31022342
31070836
31085318
31093884
31099880
31113758
31162626
31216726
31230774
31246434
31256436
31267502
31288666
31292350
31326050
31326730
31338802
31346378
31372138
31378566
31402038
31491080
31506564
31518574
31518580
31521122
31532806
31544748
31569980
31574306
31577320
31588028
31593816
31621210
31635608
31664172
31675880
31683932
31686586
31695126
31762744
31770862
31796264
31805908
31820958
31825142
31832934
31841676
31898474
31904052
31925450
31925526
31930654
31939054
31962488
31965450
31970206
31993132
32033822
32034080
32129322
32143438
32149854
32162686
32194416
32247276
32301244
32303796
32320122
32329644
32330692
32335514
32347504
32355100
32366742
32382942
32394070
32399582
32400160
32415058
32442878
32454096
32455288
32479170
32493536
32518820
32537860
32552910
32561382
32604162
32617310
32617858
32618148
32636772
32655744
32678558
32679328
32679536
32716668
32754472
32778148
32784688
32797814
32802128
32856118
32859850
32874662
32889856
32913456
32921570
32958018
32972018
32983014
32990768
33021504
33028976
33033570
33048952
33054900
33078704
33134990
33183462
33197002
33231170
33243358
33260548
33281174
33288650
33297600
33298884
33304384
33310222
33315772
33352978
33364434
33372446
33415022
33446554
33478936
33482872
33513746
33550688
33573664
33584752
33617362
33622232
33626738
33629684
33636378
33659670
33662450
33684334
33703648
33730840
33749678
33762854
33774042
33839086
33884842
33887920
33896776
33898638
33922196
33928650
33944628
33958104
33976988
33988258
33998238
34001340
34015586
34030504
34053916
34063826
34067664
34084092
34132932
34138830
34188584
34193756
34198574
34254230
34262928
34276654
34286136
34346536
34350576
34411340
34412498
34453144
34490224
34494336
34502504
34510870
34535310
34545530
34588278
34601276
34625572
34631474
34662672
34702088
34735396
34759098
34782892
34819468
34879324
34896394
34978852
35007688
35025378
35033536
35034038
35044000
35058910
35069130
35086670
35097664
35100500
35125226
35129744
35130780
35142130
35161950
35165484
35174874
35204878
35218564
35242378
35244146
35254312
35263168
35278820
35280158
35315754
35319322
35335378
35344120
35386178
35403952
35404234
35455688
35456466
35461558
35462504
35482336
35489732
35512968
35524758
35566648
35581386
35601890
35602902
35610996
35612004
35619644
35633854
35666948
35693144
35708828
35710106
35719938
35741256
35768798
35790456
35805634
35811150
35822664
35838114
35849194
35870626
35870798
35876442
35885562
35908358
35925428
35930446
35930990
35931260
35934640
35941810
35947614
35948084
35952930
35969110
35991216
36018216
36037852
36051952
36052510
36054194
36057296
36061852
36063010
36072546
36092134
36098678
36120294
36142212
36142590
36198360
36209948
36250658
36258422
36280950
36313092
36336512
36355292
36363826
36368618
36370998
36423532
36426316
36439180
36443574
36445108
36490014
36490570
36538440
36547210
36548332
36578790
36593288
36607952
36610172
36610186
36615994
36626246
36630232
36631262
36637712
36640780
36650482
36658110
36748814
36750866
36768810
36770750
36803924
36848840
36911424
36931664
36947198
36977178
36994894
37034082
37056118
37064500
37084428
37111958
37121544
37136428
37152406
37160106
37186178
37188618
37200202
37207968
37233562
37266934
37289974
37311648
37337000
37357170
37357492
37360190
37388696
37404268
37411622
37420744
37422384
37434648
37448726
37454386
37525124
37527492
37529484
37546814
37546884
37564970
37584134
37609206
37644580
37673322
37681178
37702792
37759570
37765984
37767110
37803848
37856248
37862720
37865124
37867246
37892074
37910788
37942076
37956632
37958264
37963578
37970832
37978536
37984180
37989224
38015596
38036974 *
38044364
38079080
38091480
38094820
38126558
38128540
38130986
38176326
38239644
38268512
38279026
38291634
38345882
38397622
38406536
38408822
38426232
38452728
38461454
38473652
38524676
38542022
38550780
38551856
38553214
38581088
38594406
38614430
38644336
38655272
38659510
38684226
38726310
38726428
38753794
38757276
38770882
38774692
38784900
38802640
38807572
38823302
38838298
38841114
38905432
38922812
38923118
38929916
38941812
38942758
38943442
38970592
38971374
39000510
39035946
39062840
39072778
39082044
39119712
39120592
39142034
39175568
39184542
39212960
39231798
39238086
39251068
39260704
39279184
39295250
39322772
39325646
39328446
39344102
39370450
39412722
39429248
39442040
39443038
39453428
39469028
39486656
39518888
39526662
39544106
39545520
39557288
39572774
39608892
39618760
39627548
39630440
39633608
39638044
39639274
39641224
39658554
39666718
39668776
39686670
39691736
39751030
39760478
39797928
39825608
39853840
39862856
39865386
39874888
39875332
39883524
39907848
39913832
39917510
39942954
39947054
39947490
Between b=20.18M and b=40M was two-pass searched in December 2016 and January 2017 by a group of PrimeGrid users: Roman Trunov, Van Zimmerman, Pietari Snow, Steven Wong, Phil Lachance, Sergey Kovalchuk, "Reed", Tyler Bredl, Steve Hawker, Dirk Kraemer, Erik Veit, Scott Brown, "Proth Jr.", Bruno Courty, Al McAdams and "stasieks" using Genefer. 1204 primes were found.

2 primes (b=38015596 and b=38044364) were previously reported around b=38M by Predrag Minovic in February and March 2005, found using PFGW. The prime b=38036974 (discovered in 2017) was missed (*).
40006268
40017240
40024948
40044222
40056164
40078518
40099284
40100426
40114646
40136414
40140284
40164734
40175026
40175374
Between b=40M and b=40.18M, 14 primes are reported by Yary Hluchan in March and April 2005, found using Proth.exe.

This range was double-checked in January 2017 using Genefer. No additional primes were found.
40200666
40253222
40261034
40267844
40282256
40311140
40330928
40347382
40375420
40391842
40404602
40408194
40419576
40440566
40460898
40466422
40488512
40526678
40534982
40537060
40557342
40560780
40566730
40577626
40606662
40614686
40628430
40630322
40640136
40644778
40661714
40740160
40740506
40748856
40748994
40756020
40803518
40829142
40830316
40841980
40844110
40849730
40856826
40883356
40893288
40901444
40903728
40976692
40988522
40990662
41009426
41015920
41036350
41040898
41082862
41095738
41119628
41163480
41166644
41168734
41215060
41217284
41252430
41273626
41278116
41358098
41383584
41422864
41429968
41455688
41456898
41518798
41553074
41567058
41604206
41625578
41633976
41658356
41673164
41696510
41709512
41719054
41720340
41736034
41743742
41747536
41767858
41773328
41775156
41775466
41821252
41831646
41837606
41887956
41899402
41908708
41914458
41959120
41999540
42006100
42028320
42037048
42049684
42075210
42128238
42148614
42177722
42203792
42228522
42228786
42246328
42264846
42296836
42327654
42343650
42374162
42379340
42426364
42429456
42432796
42460470
42465640
42477180
42502832
42523404
42546318
42555738
42562100
42578950
42579436
42594766
42602772
42603712
42605434
42622682
42627500
42629180
42637926
42653164
42658996
42660636
42683704
42728726
42735136
42743338
42753810
42766572
42808236
42811396
42811514
42827112
42851966
42853980
42862512
42904516
42952402
42956214
43012442
43016730
43039318
43095756
43106298
43133908
43138852
43151684
43152466
43185754
43206184
43233422
43236782
43255668
43265918
43277772
43282208
43333556
43333814
43336328
43340812
43344792
43350168
43385510
43397820
43452238
43507734
43514418
43522864
43526432
43528618
43555020
43569262
43573462
43579056
43592948
43611730
43620894
43622506
43622868
43649640
43683920
43684112
43716286
43756614
43760084
43762072
43764912
43771408
43800618
43855068
43883446
43885324
43891484
43907894
43949392
43958174
43964368
43971408
44008322
44012414
44035074
44094756
44095274
44185594
44193896
44232840
44251114
44355420
44364300
44377250
44377802
44399490
44414890
44424956
44436314
44460834
44469256
44470742
44490590
44508198
44522674
44658418
44662890
44672256
44707628
44752978
44758518
44788932
44795548
44802768
44870078
44884398
44902360
44905230
44942242
45009648
45036886
45037128
45048216
45076056
45079792
45082158
45110748
45124352
45134010
45141272
45173686
45174690
45188022
45239996
45246292
45247118
45275906
45279362
45308712
45337660
45345180
45355104
45373078
45391528
45396026
45415002
45421396
45422224
45433670
45437500
45460038
45467064
45476528
45481256
45497130
45519866
45520790
45568978
45581630
45586270
45588198
45596642
45614148
45643946
45651528
45661478
45668814
45713068
45731398
45732610
45735612
45758552
45766432
45801330
45805446
45808138
45819310
45847902
45894074
45895774
45926844
45937730
45942268
45952998
45956022
45969434
45973586
45995368
46009784
46023226
46031098
46038638
46067044
46075186
46080132
46087772
46122316
46157580
46163408
46180634
46182754
46182996
46184776
46185712
46199344
46214090
46232670
46238782
46252410
46257612
46260714
46295104
46296876
46300760
46311756
46315362
46316348
46335926
46372908
46415002
46422320
46443182
46456100
46460028
46472872
46485910
46492694
46492722
46509582
46518440
46527404
46531986
46536582
46575674
46578602
46608892
46612378
46635484
46653086
46660542
46664148
46698064
46700692
46711638
46729104
46731918
46734734
46738168
46772044
46776722
46810308
46819838
46838720
46855662
46858762
46860688
46870658
46904624
46932752
46933934
46950370
46952304
46961304
46974952
46997792
47004544
47009040
47018326
47018394
47023906
47031994
47044530
47049276
47060400
47075216
47080830
47097384
47098676
47133806
47138674
47158388
47171446
47180704
47201698
47215474
47233650
47248788
47265984
47283220
47297598
47309960
47315022
47350936
47370024
47393370
47394238
47425882
47438232
47463216
47467876
47501218
47509234
47514356
47519822
47526202
47549902
47550744
47551244
47554276
47557496
47617400
47630968
47638628
47649602
47688206
47718538
47738200
47781992
47783320
47786344
47818046
47823232
47830902
47834376
47836470
47853518
47867296
47886794
47888000
47893294
47902700
47910386
47934882
47998034
48003732
48005912
48011640
48019376
48060030
48115860
48136958
48143276
48159346
48202370
48210544
48212136
48230364
48244152
48275408
48292954
48296008
48306534
48314132
48319258
48326266
48344272
48344324
48356392
48375650
48411550
48412910
48419724
48434548
48449810
48465538
48466750
48469386
48475224
48483138
48498836
48524120
48578850
48618874
48620556
48636952
48649952
48693176
48705808
48748874
48751620
48764724
48784796
48794066
48813416
48820544
48827068
48828082
48842874
48849132
48853466
48865664
48869434
48875366
48893010
48926336
48936062
48941880
48944780
48962850
49010180
49029422
49059238
49060396
49064274
49068100
49094292
49098546
49105502
49123296
49133514
49150706
49164206
49168752
49171470
49199012
49227072
49241970
49242554
49277990
49279680
49288796
49295454
49317696
49327224
49327468
49328782
49344676
49371902
49389222
49392428
49411588
49418318
49419566
49422190
49463866
49510024
49547704
49596056
49620434
49629254
49648320
49666378
49674808
49675828
49732168
49760068
49783494
49784254
49794788
49798606
49813088
49818334
49823466
49831970
49838460
49852594
49871166
49902696
49920710
49951036
49994812
Between b=40.18M and b=50M was two-pass searched between February 2017 and March 2017 by a group of PrimeGrid users: Roman Trunov, Van Zimmerman, Pietari Snow, Steven Wong, Phil Lachance, Sergey Kovalchuk, "Reed", Tyler Bredl, Erik Veit, Leon Bird and "EBM" using Genefer. 595 primes were found.
50017044
50069148
50080406
50087908
50108048
50126536
50159002
50160988
50180012
50185542
50208964
50212270
50281968
50289002
50304282
50308070
50313510
50317624
50347406
50371222
50375152
50380886
50416642
50435256
50449434
50558560
50614868
50631260
50716848
50718152
50877634
50882820
50944200
50944396
50954432
50969856
51006284
51007298
51018720
51021654
51112760
51118648
51125264
51138684
51147204
51155182
51160254
51165496
51169812
51182574
51186842
51207470
51243176
51256146
51256558
51278808
51280670
51300944
51329984
51369402
51378108
51398386
51427272
51431210
51431520
51432710
51436572
51459534
51462112
51476436
51495322
51504636
51547022
51631612
51649170
51649312
51680744
51692600
51714490
51719624
51743254
51745162
51755354
51764024
51766264
51780838
51791752
51816874
51834970
51844620
51846414
51862242
51902006
51903108
51906694
51930548
51941486
51958434
51971806
51975892
52003838
52009184
52010560
52017576
52018350
52026062
52036024
52059418
52064078
52066466
52072642
52079312
52127708
52137046
52149644
52206152
52221992
52230952
52231138
52248042
52255798
52258352
52259246
52271164
52295912
52306444
52320902
52398242
52412054
52419456
52429060
52430226
52434510
52449558
52473348
52499204
52506858
52556014
52557222
52590596
52618974
52624544
52629968
52655684
52689900
52699056
52707958
52718628
52731008
52738254
52754496
52768330
52828446
52837862
52883456
52884444
52884616
52892284
52895738
52923500
52962874
52983142
52996006
53031224
53031450
53034274
53039896
53099638
53104650
53119636
53129006
53147760
53171516
53177240
53180800
53192880
53208376
53246428
53249324
53268572
53270498
53275932
53295204
53302644
53304680
53320984
53323906
53334936
53358636
53392158
53424088
53436420
53445052
53496478
53510240
53525732
53539080
53549532
53552552
53573086
53573472
53593194
53596626
53633338
53660644
53664266
53667780
53693730
53713168
53738644
53768566
53822404
53845778
53860242
53863284
53870730
53914064
53923448
53992762
54009000
54014802
54067106
54074308
54160480
54164176
54167688
54174918
54182042
54189328
54189878
54204706
54215918
54227974
54235538
54250418
54282580
54294364
54317328
54318736
54343150
54370372
54376844
54430556
54441334
54447978
54480328
54496208
54512670
54536928
54566752
54586324
54592590
54603326
54644564
54649006
54651308
54665030
54683308
54700750
54711298
54729872
54737978
54764978
54765888
54771762
54787184
54790800
54796802
54811178
54835972
54837394
54882248
54931184
54937576
54953678
54954428
54962778
54972410
54978262
54983602
54991862
54997526
54998930
55000396
55000596
55030932
55046472
55083218
55087286
55098122
55107184
55117734
55137504
55160232
55192766
55203764
55225594
55226224
55241940
55300074
55319052
55327754
55342854
55366882
55386918
55389922
55393094
55401788
55429082
55440302
55453558
55489342
55494838
55497528
55499518
55522546
55523586
55553668
55563376
55568020
55578234
55607686
55611408
55613000
55613178
55710330
55731860
55742280
55750182
55768778
55783320
55783378
55802116
55824334
55828964
55841186
55855102
55862352
55886454
55899556
55902742
55917420
55931906
55966798
55986592
55990450
56003252
56031194
56045594
56047380
56089416
56099532
56124404
56137950
56164844
56174142
56202346
56213020
56242002
56242538
56284710
56288016
56289850
56296806
56297210
56341576
56349834
56365176
56386074
56391762
56417596
56436422
56441824
56446796
56462108
56495702
56499864
56511248
56513224
56518642
56524692
56527686
56530772
56536126
56560578
56561894
56567640
56632198
56636746
56683536
56707436
56722598
56742180
56748978
56757382
56763464
56770284
56776040
56789912
56792002
56792870
56827264
56846036
56906232
56928100
56946968
56957420
56969082
56978748
57006484
57019076
57042138
57071952
57115532
57119046
57136502
57142564
57154532
57159938
57175204
57185382
57188088
57199686
57202694
57214704
57247264
57260768
57285066
57289624
57356452
57373892
57376392
57377716
57381828
57414958
57417948
57426410
57459668
57528884
57529398
57534874
57560298
57567770
57614544
57621028
57638978
57640490
57654692
57658628
57670204
57684654
57695982
57702458
57717092
57739684
57757030
57758546
57760024
57772362
57779766
57782448
57820920
57841028
57869492
57873980
57884492
57886266
57886390
57886930
57898774
57959550
57960336
57990826
57991316
58005538
58007302
58029366
58077208
58087726
58106106
58114280
58123780
58154724
58155316
58178090
58230918
58242438
58260822
58353082
58357474
58366190
58388484
58390654
58390826
58394684
58408524
58447372
58481240
58495520
58540888
58542918
58545160
58592300
58603560
58616392
58668604
58693370
58700288
58746646
58763222
58790600
58792204
58826760
58843782
58855880
58873188
58873424
58875746
58880958
58931256
58969916
59005892
59079136
59100686
59119432
59131538
59152022
59187714
59193852
59208384
59222802
59237040
59262702
59263150
59273140
59273628
59278876
59293324
59309108
59316454
59327852
59381694
59432688
59451128
59466050
59469498
59485068
59497000
59504294
59513606
59574542
59639642
59651166
59669078
59682164
59703324
59713288
59751990
59776762
59777638
59778538
59799130
59799786
59813426
59822140
59823188
59835530
59850364
59872818
59883308
59917938
59947788
59958662
59966030
Between b=50M and b=60M was two-pass searched between March 2017 and June 2017 by a group of PrimeGrid users: Roman Trunov, Van Zimmerman, Pietari Snow, Steven Wong, Phil Lachance, Sergey Kovalchuk, "Reed", Leon Bird, Daniel Fruzynski, "barton26", Erik Veit, Kyle Lewis and "STE\\/E" using Genefer. 574 primes were found.
60012016
60021608
60035112
60044076
60075390
60080900
60102408
60104638
60119280
60182232
60205196
60214662
60220902
60223710
60231324
60303908
60326612
60334204
60346502
60370734
60379216
60402538
60413776
60436464
60437478
60443468
60523770
60558998
60562082
60577274
60593078
60611728
60623790
60627984
60644830
60645576
60649708
60655394
60660550
60661498
60688480
60697892
60712828
60753340
60783598
60783694
60788548
60789738
60796958
60808134
60820332
60833548
60847446
60855424
60857198
60896664
60982082
60990154
60991008
60995480
61080822
61118434
61132702
61144974
61170336
61206328
61250124
61262960
61280028
61324088
61373570
61377632
61379614
61404650
61407542
61415826
61427518
61431938
61447592
61462456
61474390
61496692
61509254
61512082
61522706
61574152
61596226
61606458
61614404
61621684
61633592
61643094
61651998
61652864
61656276
61731822
61747480
61751110
61751122
61767656
61776884
61787324
61789156
61819428
61881566
61883174
61885826
61928070
61934962
61935462
61963788
61999216
62003494
62029450
62034962
62046406
62058994
62084402
62097070
62124620
62138866
62143538
62156982
62164218
62207316
62211390
62265460
62266244
62285872
62310360
62324632
62325556
62326424
62329944
62362728
62408444
62416064
62426742
62447174
62479010
62540546
62546952
62551882
62565134
62608350
62621588
62640878
62672296
62675736
62748240
62750788
62755880
62759222
62783756
62804818
62868346
62869192
62890836
62934602
62981262
62984026
62993306
62997958
63011506
63020458
63024352
63032386
63052550
63054364
63056874
63104160
63140918
63141166
63202528
63214414
63225636
63227906
63282992
63301456
63341320
63347336
63378222
63382730
63393574
63433152
63455774
63459510
63474588
63481092
63491470
63515412
63541328
63549628
63568214
63607978
63613720
63614066
63625612
63645504
63656286
63689166
63691896
63714750
63720222
63722204
63729150
63802524
63805148
63851900
63861202
63875560
63889642
63906632
63911768
63967956
63977908
64003338
64007260
64037572
64037600
64052420
64069456
64096672
64107420
64118714
64134814
64160184
64165118
64167610
64206040
64216308
64220034
64222562
64242788
64275002
64282664
64283916
64306664
64322038
64368240
64373490
64374284
64382994
64383534
64385268
64385652
64401928
64410064
64413574
64417584
64419346
64450452
64458300
64474948
64480354
64494814
64502816
64525496
64567092
64576244
64602570
64604228
64608444
64611076
64628882
64629284
64641098
64644470
64648156
64654446
64669924
64673120
64693336
64695816
64719980
64720496
64725412
64754070
64773296
64793976
64815496
64819154
64869234
64889628
64929982
64932114
64935992
64951806
64965866
64976750
64982698
64998928
65035162
65042634
65057696
65065340
65071298
65075396
65092074
65120948
65121614
65175014
65191726
65203874
65273546
65312604
65347836
65352278
65374790
65394156
65412632
65415484
65430556
65474128
65487842
65495682
65512060
65518580
65521288
65529480
65543290
65544266
65544656
65556266
65593290
65596506
65612674
65613858
65621362
65621522
65633906
65675038
65727348
65732302
65734624
65735152
65750456
65771686
65837780
65861008
65875794
65879016
65887748
65907042
65918276
65955290
65965254
65966832
66005982
66039440
66107478
66112904
66123636
66139778
66141610
66149058
66162288
66180786
66193408
66204364
66219234
66238282
66256298
66261818
66267824
66269606
66279638
66286032
66304840
66323428
66326522
66356892
66358650
66363894
66372300
66395434
66400930
66404584
66412870
66450354
66450414
66450916
66458860
66485096
66492830
66503660
66509854
66543422
66550956
66554150
66558604
66593344
66617270
66624242
66672630
66684264
66771864
66816212
66825884
66829254
66833640
66846610
66893078
66894140
66929546
66951146
66984156
66990190
67020410
67021706
67024312
67038502
67059936
67065716
67068984
67105662
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67120444
67130404
67135492
67148580
67151586
67154306
67166764
67189254
67335284
67348230
67361028
67361168
67370522
67371426
67386940
67391502
67409000
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67417388
67425090
67451460
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67489064
67515490
67519708
67565792
67566676
67618262
67621358
67630846
67646670
67666634
67693348
67746518
67757788
67771460
67785240
67786232
67789022
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67809422
67903804
67927238
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67940666
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67978678
67984804
68005962
68057322
68061162
68075966
68087348
68099400
68103876
68141602
68143504
68163596
68167356
68169000
68187288
68190518
68204022
68204264
68366778
68390186
68431962
68442554
68446428
68459270
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68495172
68501042
68519534
68552402
68565574
68573708
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68597318
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68644144
68660688
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68713766
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69993480
70000292
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70200518
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70755120
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70870706
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70997188
71017832
71065760
71129280
71129492
71141810
71160874
71164380
71182088
71186238
71214810
71226474
71237564
71274120
71281606
71288802
71333718
71337144
71351250
71352142
71360948
71362804
71363352
71389540
71401736
71406042
71421324
71421700
71424154
71424394
71425110
71463748
71491262
71507054
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71537772
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71568396
71579954
71584426
71631612
71641018
71656280
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71694376
71702832
71723720
71725220
71745736
71760290
71780648
71810484
71836880
71846438
71847850
71853814
71866288
71876308
71882762
71886768
71900784
71960154
71965014
71980926
72010984
72012914
72030144
72043784
72052526
72081234
72089992
72099288
72126606
72167626
72173304
72214358
72218970
72231288
72239858
72261754
72263544
72280200
72301630
72322922
72339092
72346666
72352186
72353574
72374442
72384030
72448790
72460790
72464614
72492154
72500664
72503498
72548394
72560040
72585082
72585404
72648160
72668328
72675090
72708892
72719044
72719078
72738442
72747706
72796192
72806952
72812588
72820834
72823160
72824116
72841738
72862778
72866768
72881416
72896568
72910382
72947780
72952694
72956476
72972144
Between b=60M and b=73M was two-pass searched in June and July 2017 by a group of PrimeGrid users: Roman Trunov, Van Zimmerman, Pietari Snow, Steven Wong, Sergey Kovalchuk, "Reed", Leon Bird, Daniel Fruzynski, and Kyle Lewis using Genefer. 785 primes were found including b=70000292, reported by Yves Gallot in November 2002, found using Proth.exe.
73012436
73033018
73040014
73051674
73066638
73080502
73092894
73126538
73137518
73184242
73184694
73188638
73256298
73259534
73259752
73259792
73283920
73311816
73343344
73366824
73378368
73415512
73430822
73452712
73458088
73461452
73464422
73478464
73484838
73497996
73500808
73502982
73521972
73553172
73584328
73592222
73624640
73642786
73643908
73654268
73664880
73682488
73688010
73733940
73741890
73759528
73767556
73817598
73830076
73859748
73905472
73955500
73968246
73985846
The range from b=73M to b=74M was searched by Raffi Chaglassian between August 2003 and April 2004. 54 primes were reported, found using Proth.exe.

This range was double-checked in July 2017 using Genefer. No additional primes were found.
74008724
74019506
74025762
74026922
74028798
74035508
74035640
74038424
74047634
74062416
74079988
74080900
74094842
74095898
74126316
74136278
74137334
74143758
74147396
74150816
74156648
74178930
74205780
74255376
74267904
74297222
74299362
74323870
74341594
74343122
74367860
74376436
74419394
74427844
74457000
74518124
74560394
74578478
74587264
74608788
74616968
74620608
74624698
74633142
74674706
74676938
74677142
74682538
74707006
74707956
74721792
74742026
74745762
74767456
74833592
74838456
74839498
74844834
74850608
74853378
74873206
74907184
74907988
74911110
74955792
74963762
74979304
74985812
74995732
75015036
75018458
75043188
75049464
75078814
75087876
75106774
75145166
75150160
75184702
75202336
75226824
75233766
75235538
75265042
75269998
75283662
75290072
75294090
75305298
75308064
75324208
75330454
75367748
75379522
75401306
75415692
75428778
75429012
75437272
75458532
75481430
75502070
75520438
75577080
75590538
75605034
75614736
75642594
75648268
75658448
75720334
75754080
75754464
75759226
75783374
75784962
75792360
75827644
75843918
75900384
75911628
75922186
75928988
75947236
76026670
76028472
76034900
76044484
76104796
76134160
76150998
76157024
76186776
76221896
76231494
76234268
76251144
76278448
76293240
76293702
76316212
76332050
76375268
76380500
76382580
76382974
76390474
76416248
76434908
76441308
76451232
76463472
76470906
76518990
76533558
76583184
76588576
76601550
76651202
76657280
76661456
76671154
76687160
76696966
76711060
76722512
76748978
76756120
76764302
76774794
76809076
76823664
76826172
76847762
76870648
76892450
76906836
76926226
76967918
76977838
77014040
77034184
77039104
77040270
77049238
77099054
77152080
77176646
77186710
77196614
77203402
77205616
77244500
77254726
77271682
77303406
77315710
77332362
77363588
77365044
77366196
77386450
77466356
77467292
77473398
77481480
77500404
77523406
77544684
77546440
77576890
77599634
77622842
77635108
77635750
77647028
77673836
77697288
77728952
77731430
77733854
77760186
77775780
77835460
77901748
77914544
77922916
77925584
77945208
77945308
77992788
77995898
78006784
78017514
78036996
78062878
78082374
78086374
78119354
78123056
78129012
78129720
78138628
78158692
78194444
78200924
78243086
78246412
78248888
78274480
78309320
78322496
78325970
78338202
78343446
78357222
78362956
78387196
78394672
78397872
78420948
78452748
78463038
78465612
78478756
78490824
78523182
78529994
78539354
78559584
78560044
78591822
78596586
78597274
78604708
78630004
78630536
78650946
78661814
78679528
78685464
78724106
78725126
78725434
78728486
78751766
78758924
78773526
78783970
78797254
78830330
78830542
78840326
78849414
78854932
78880658
78900190
78942690
78963442
78977548
79022946
79039646
79071508
79110014
79146054
79180598
79184616
79201838
79207206
79219870
79229578
79257042
79273106
79287298
79292664
79304578
79309474
79329714
79331334
79335630
79339438
79341866
79367700
79374300
79404470
79441662
79445666
79447280
79459580
79462844
79463926
79483892
79501906
79527414
79546636
79582046
79592994
79605810
79611646
79635636
79647098
79655280
79718030
79722368
79737752
79826580
79843440
79869340
79879548
79880776
79888522
79931862
79939812
79975080
79983220
79993110
79999234
Between b=74M and b=80M was two-pass searched in August 2017 by a group of PrimeGrid users: Roman Trunov, Pietari Snow, Steven Wong, Sergey Kovalchuk, "Reed", Michael Millerick, and Daniel Fruzynski using Genefer. 357 primes were found.
80019014
80056730
2 primes were reported above b=80M by Kimmo Herranen in March 2003, found using Proth.exe.

These primes were confirmed in August 2017, using Genefer and no additional primes were found between them.
81003224
81062680
81070174
81097054
81103418
81103944
81144998
81174218
81175116
81193144
81194376
81198500
81278766
81286530
81290912
81291622
81327368
81405864
81427844
81430244
81434140
81436882
81442184
81456180
81456304
81461886
81477396
86001968
86003758
86043470
86099430
86457288
The range from b=81M to around b=86M was searched by Raffi Chaglassian between May and August 2004. 32 primes were reported, found using Proth.exe.
87032654
87037962
87077352
87077894
Around b=87M, 4 primes were reported by Jiong Sun in January and February 2003, found using Proth.exe.
88003028
88035824
88039196
88054688
88063676
88508126
88524480
88530386
88531494
88537224
88537970
88591714
88626284
88633486
88687072
88721572
88737190
Between b=88M and b=89M, 17 primes were reported by Waturu Sakai between April and December 2005, found using PFGW.
89972280
89983842
Just below b=90M, 2 primes were reported by Shoichiro Yamada in August and September 2004, found using Proth.exe.
90012680
90053394
90100674
90104422
90108850
90142808
90145668
90157072
90163360
90163554
Just above b=90M, 10 primes were reported by Waturu Sakai between December 2004 and March 2005, found using PFGW.
A gap is observed between b=90M and b=100M. No primes are reported in this range.
100010370
100013678
100026260
100054516
100068300
100079240
100087356
100099464
100119064
100146532
100169326
100170836
100189720
100196890
100199194
100219912
Just above b=100M, 16 primes were reported by Shoichiro Yamada and Satoshi Noda between October and December 2004, found using Proth.exe.
This range was double-checked by Steven Wong in March 2016 using Genefer.
100225612
100238562
100246666
100264402
100278098
100302418
100316168
100322822
100332956
100351492
100376348
100413650
100439252
100444432
100446814
100458146
100463548
100473630
100491446
100503538
100519984
100534428
100535898
100546546
100547372
100596960
100603358
100612462
100625968
100646540
100648566
100652402
100668930
100684642
100704406
100726598
100730170
100733312
100734524
100783918
100799988
100802772
100825640
100901872
100915502
100943640
100961126
This range was searched by Steven Wong in March 2016 using Genefer. 47 primes were found.
A gap is observed between b=101M and b=1.64T. No primes are reported in this range.
1641284254898
1641508924050
1674548821458
1679661124608
1680137049132
1683425462508
1705416762264
1708802801334
1709411594018
1723136469698
1735263274800
1740130939058
1755424572540
1757384640000
1767471888006
1776209454010
1788605660160
1831204690572
1834056806912
1840648471308
1851118887200
1859998507290
1860317665960
1888658317512
1912737198962
1947888653046
1959838095456
2016686661138
2049336504108
2065266008832
2067089379912
2081815818012
2088612359138
2138933001960
2246608322560
2297131526560
2323383282248
2328879088928
2337858706776
2341695546048
2365362093750
2365625861290
2401454467458
2407112004978
2409834375000
2411783386322
2417246390250
2421971601408
2422169686098
2435508430134
2464586309160
2518283306250
2522771619840
2559267603362
2561503360418
2565361720360
2587115977690
2630017885690
2666460956672
2705255938374
2717312875200
2717838250032
2722761264984
2736980414892
2770832198738
2802580072360
2846366962092
2949978007690
3012420829872
3028620082410
3052695744600
3055550210048
3071109191064
3084892207500
3096863619200
3126023409816
3147506493144
3198591470976
3212514267848
3288255656406
3313739940300
3323660748800
3354817230768
3359356417152
3496613234694
3529826040600
3569338840086
3598241127938
3600356299350
3605756400738
3635215872300
3635783902128
3639946404108
3647495226888
3650615283174
3650974846472
3682534332978
3682675455362
3706691112486
3719927357292
3725143938150
3725936777672
3728770861250
3755131758098
3837979192352
3875261184288
3887753950086
3894189843750
3949249835712
3951777801600
3958200616050
3999018243200
4066895243568
4092374405000
4160988399792
4171325666700
4210076531250
4222076332416
4231130760150
4232093405952
4291524169928
4377300088614
4385780647776
4393910754738
4467514839552
4494094913094
4518565176600
4528974470886
4598896440600
4706471537352
4707128123378
4722272973602
4845927002496
4861236387872
4975838909192
5023448820486
5044885536800
5297831494802
5303223308258
5415169369352
5441825862722
5604217205000
5758518396488
5988208402208
6094078125858
6250269036050
6309517109792
6332820544962
6470110975752
6566361844050
6625156724802
6680828364800
6856467398802
6948194230898
7101444321792
7106035306050
7179086525762
7248733731458
7255154688800
7313392476002
7333140198482
7674257163762
7835518249778
7902657924050
8098211586242
8140773900800
166 primes between b=1.6T and b=8.2T were discovered by the Prime Internet Eisenstein Search (PIES) between December 2005 and December 2006, found using the ForEis progam. The discoverers were Phil Carmody, Flavius Isac, Predrag Minovic and Jeff Anderson-Lee.
113199618323512
A single prime above b=100T was discovered by Arlin Anderson and Donald Edward Robinson. The program used to make the discovery is unknown, but it has been proven prime using PFGW.

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Generated 23 Sep 2017 | 3:45:53 UTC