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Message boards : 321 Prime Search : 3*2^17748034-1 is prime

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Profile BurProject donor
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Joined: 25 Feb 20
Posts: 511
ID: 1241833
Credit: 406,952,152
RAC: 28,960
321 LLR Ruby: Earned 2,000,000 credits (2,092,823)Cullen LLR Ruby: Earned 2,000,000 credits (2,315,295)ESP LLR Ruby: Earned 2,000,000 credits (2,151,088)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,620,968)PPS LLR Jade: Earned 10,000,000 credits (10,080,424)PSP LLR Ruby: Earned 2,000,000 credits (2,064,832)SoB LLR Ruby: Earned 2,000,000 credits (2,434,466)SR5 LLR Ruby: Earned 2,000,000 credits (2,065,004)SGS LLR Ruby: Earned 2,000,000 credits (2,027,649)TRP LLR Ruby: Earned 2,000,000 credits (2,089,856)Woodall LLR Ruby: Earned 2,000,000 credits (2,112,258)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,107,153)PPS Sieve Turquoise: Earned 5,000,000 credits (5,096,952)AP 26/27 Turquoise: Earned 5,000,000 credits (5,797,662)GFN Jade: Earned 10,000,000 credits (10,874,159)WW Double Silver: Earned 200,000,000 credits (349,980,000)PSA Amethyst: Earned 1,000,000 credits (1,042,601)
Message 151473 - Posted: 12 Sep 2021 | 10:09:51 UTC
Last modified: 12 Sep 2021 | 10:10:47 UTC

After nearly 6 days of validation:

3*2^17748034-1 is prime.

5,342,692 decimal digits and ranked #18 at T5K. It's the 5th largest prime found at Primegrid so far.

Found by McDaWiesel

Interesting task history: Task 741583857
____________
1281979 * 2^485014 + 1 is prime ... no further hits up to: n = 5,700,000

Profile JeppeSNProject donor
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Joined: 5 Apr 14
Posts: 1677
ID: 306875
Credit: 40,347,081
RAC: 9,841
Found 1 prime in the 2020 Tour de Primes321 LLR Gold: Earned 500,000 credits (593,283)Cullen LLR Gold: Earned 500,000 credits (611,298)ESP LLR Silver: Earned 100,000 credits (174,818)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (112,799)PPS LLR Jade: Earned 10,000,000 credits (15,617,133)PSP LLR Silver: Earned 100,000 credits (428,457)SoB LLR Silver: Earned 100,000 credits (466,812)SR5 LLR Silver: Earned 100,000 credits (145,419)SGS LLR Silver: Earned 100,000 credits (112,277)TRP LLR Silver: Earned 100,000 credits (342,501)Woodall LLR Silver: Earned 100,000 credits (109,455)321 Sieve (suspended) Silver: Earned 100,000 credits (175,037)PPS Sieve Bronze: Earned 10,000 credits (10,113)AP 26/27 Bronze: Earned 10,000 credits (12,129)GFN Ruby: Earned 2,000,000 credits (4,181,260)WW Turquoise: Earned 5,000,000 credits (9,640,000)PSA Turquoise: Earned 5,000,000 credits (7,614,290)
Message 151492 - Posted: 12 Sep 2021 | 15:55:59 UTC

Nice. An official announcement will eventually appear on the 321 entry and in a thread in the News forum.

The certificate WU was sent twice and finished by Skivelitis2.

/JeppeSN

Ravi Fernando
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Joined: 21 Mar 19
Posts: 205
ID: 1108183
Credit: 11,560,044
RAC: 4,622
321 LLR Gold: Earned 500,000 credits (942,037)Cullen LLR Bronze: Earned 10,000 credits (82,217)ESP LLR Bronze: Earned 10,000 credits (16,570)Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (68,801)PPS LLR Ruby: Earned 2,000,000 credits (3,826,250)PSP LLR Silver: Earned 100,000 credits (106,263)SoB LLR Silver: Earned 100,000 credits (258,849)SR5 LLR Bronze: Earned 10,000 credits (59,499)SGS LLR Silver: Earned 100,000 credits (148,878)TRP LLR Silver: Earned 100,000 credits (195,905)Woodall LLR Bronze: Earned 10,000 credits (40,424)321 Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,001,667)AP 26/27 Bronze: Earned 10,000 credits (72,774)GFN Gold: Earned 500,000 credits (721,616)WW Bronze: Earned 10,000 credits (12,000)
Message 151493 - Posted: 12 Sep 2021 | 15:59:15 UTC

Great find, McDaWisel! This is the largest (and only top-20) prime found this year so far, on PG or otherwise.

Profile Eudy SilvaProject donor
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Joined: 26 Aug 17
Posts: 1801
ID: 918937
Credit: 409,109,723
RAC: 362,527
Discovered 2 mega primesFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 1 prime in the 2021 Tour de Primes321 LLR Amethyst: Earned 1,000,000 credits (1,187,213)Cullen LLR Amethyst: Earned 1,000,000 credits (1,291,013)ESP LLR Amethyst: Earned 1,000,000 credits (1,151,976)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,199,207)PPS LLR Sapphire: Earned 20,000,000 credits (25,411,691)PSP LLR Amethyst: Earned 1,000,000 credits (1,476,639)SoB LLR Ruby: Earned 2,000,000 credits (2,432,091)SR5 LLR Ruby: Earned 2,000,000 credits (2,954,518)SGS LLR Amethyst: Earned 1,000,000 credits (1,462,951)TRP LLR Amethyst: Earned 1,000,000 credits (1,574,163)Woodall LLR Amethyst: Earned 1,000,000 credits (1,001,901)321 Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,119,749)Generalized Cullen/Woodall Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,005,331)PPS Sieve Emerald: Earned 50,000,000 credits (75,311,511)AP 26/27 Emerald: Earned 50,000,000 credits (80,435,485)GFN Double Bronze: Earned 100,000,000 credits (104,023,063)WW Double Bronze: Earned 100,000,000 credits (104,012,000)PSA Ruby: Earned 2,000,000 credits (2,059,222)
Message 151495 - Posted: 12 Sep 2021 | 17:09:22 UTC

Congrats, McDaWiesel !
____________
"Accidit in puncto, quod non contingit in anno."
Something that does not occur in a year may, perchance, happen in a moment.

Seronegativo
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Joined: 2 Apr 20
Posts: 25
ID: 1251007
Credit: 133,159,166
RAC: 1,756
321 LLR Gold: Earned 500,000 credits (518,115)Cullen LLR Gold: Earned 500,000 credits (548,175)ESP LLR Turquoise: Earned 5,000,000 credits (5,927,262)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,520,897)PPS LLR Amethyst: Earned 1,000,000 credits (1,986,191)PSP LLR Amethyst: Earned 1,000,000 credits (1,806,023)SoB LLR Gold: Earned 500,000 credits (767,464)SR5 LLR Amethyst: Earned 1,000,000 credits (1,122,483)SGS LLR Amethyst: Earned 1,000,000 credits (1,030,329)TRP LLR Gold: Earned 500,000 credits (686,306)Woodall LLR Gold: Earned 500,000 credits (680,056)321 Sieve (suspended) Silver: Earned 100,000 credits (175,037)PPS Sieve Double Bronze: Earned 100,000,000 credits (100,749,077)AP 26/27 Ruby: Earned 2,000,000 credits (2,009,371)GFN Jade: Earned 10,000,000 credits (10,656,392)WW Ruby: Earned 2,000,000 credits (2,976,000)
Message 151496 - Posted: 12 Sep 2021 | 17:44:54 UTC

Congrats!
____________

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Joined: 3 Feb 19
Posts: 958
ID: 1097922
Credit: 29,470,415
RAC: 92,851
Discovered 1 mega prime321 LLR Gold: Earned 500,000 credits (652,718)Cullen LLR Silver: Earned 100,000 credits (221,150)ESP LLR Gold: Earned 500,000 credits (517,207)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,021,028)PPS LLR Ruby: Earned 2,000,000 credits (2,745,972)PSP LLR Gold: Earned 500,000 credits (616,940)SoB LLR Gold: Earned 500,000 credits (533,625)SR5 LLR Silver: Earned 100,000 credits (156,121)SGS LLR Gold: Earned 500,000 credits (726,147)TRP LLR Silver: Earned 100,000 credits (247,743)Woodall LLR Silver: Earned 100,000 credits (144,022)321 Sieve (suspended) Gold: Earned 500,000 credits (506,814)Generalized Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (30,033)PPS Sieve Ruby: Earned 2,000,000 credits (3,566,518)AP 26/27 Amethyst: Earned 1,000,000 credits (1,770,834)GFN Turquoise: Earned 5,000,000 credits (5,556,507)WW Jade: Earned 10,000,000 credits (10,084,000)PSA Silver: Earned 100,000 credits (373,034)
Message 151513 - Posted: 14 Sep 2021 | 1:13:11 UTC

ruditapper missed out on what would have been his second consecutive running 321 prime...
____________
My lucky number is 6219*2^3374198+1


ruditapper
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Joined: 12 Aug 20
Posts: 43
ID: 1293061
Credit: 2,252,692,587
RAC: 2,142
Discovered 2 mega primesFound 1 prime in the 2022 Tour de Primes321 LLR Emerald: Earned 50,000,000 credits (60,659,673)Cullen LLR Jade: Earned 10,000,000 credits (12,797,767)ESP LLR Bronze: Earned 10,000 credits (68,707)Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (17,232)PPS LLR Emerald: Earned 50,000,000 credits (58,400,065)SoB LLR Sapphire: Earned 20,000,000 credits (34,960,487)SR5 LLR Ruby: Earned 2,000,000 credits (4,942,272)SGS LLR Amethyst: Earned 1,000,000 credits (1,447,146)TRP LLR Sapphire: Earned 20,000,000 credits (28,037,632)321 Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,090,474)PPS Sieve Emerald: Earned 50,000,000 credits (77,249,836)AP 26/27 Ruby: Earned 2,000,000 credits (4,265,365)GFN Double Amethyst: Earned 1,000,000,000 credits (1,102,523,872)WW Double Gold: Earned 500,000,000 credits (866,228,000)
Message 151519 - Posted: 14 Sep 2021 | 15:27:56 UTC

Yeah I do stupid things sometimes :(

Profile Eudy SilvaProject donor
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Joined: 26 Aug 17
Posts: 1801
ID: 918937
Credit: 409,109,723
RAC: 362,527
Discovered 2 mega primesFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 1 prime in the 2021 Tour de Primes321 LLR Amethyst: Earned 1,000,000 credits (1,187,213)Cullen LLR Amethyst: Earned 1,000,000 credits (1,291,013)ESP LLR Amethyst: Earned 1,000,000 credits (1,151,976)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,199,207)PPS LLR Sapphire: Earned 20,000,000 credits (25,411,691)PSP LLR Amethyst: Earned 1,000,000 credits (1,476,639)SoB LLR Ruby: Earned 2,000,000 credits (2,432,091)SR5 LLR Ruby: Earned 2,000,000 credits (2,954,518)SGS LLR Amethyst: Earned 1,000,000 credits (1,462,951)TRP LLR Amethyst: Earned 1,000,000 credits (1,574,163)Woodall LLR Amethyst: Earned 1,000,000 credits (1,001,901)321 Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,119,749)Generalized Cullen/Woodall Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,005,331)PPS Sieve Emerald: Earned 50,000,000 credits (75,311,511)AP 26/27 Emerald: Earned 50,000,000 credits (80,435,485)GFN Double Bronze: Earned 100,000,000 credits (104,023,063)WW Double Bronze: Earned 100,000,000 credits (104,012,000)PSA Ruby: Earned 2,000,000 credits (2,059,222)
Message 151522 - Posted: 14 Sep 2021 | 17:03:25 UTC - in response to Message 151519.

Yeah I do stupid things sometimes :(

Welcome to the team :)
____________
"Accidit in puncto, quod non contingit in anno."
Something that does not occur in a year may, perchance, happen in a moment.

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Message boards : 321 Prime Search : 3*2^17748034-1 is prime

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