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Message boards : News : Another PPS-Mega Prime!

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Van ZimmermanProject donor
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Joined: 30 Aug 12
Posts: 1879
ID: 168418
Credit: 5,114,882,133
RAC: 3,991,385
Discovered the World's First GFN-20 prime!!!Discovered 2 mega primesFound 1 prime in the 2018 Tour de Primes321 LLR Sapphire: Earned 20,000,000 credits (20,089,185)Cullen LLR Sapphire: Earned 20,000,000 credits (20,929,455)ESP LLR Sapphire: Earned 20,000,000 credits (20,089,407)Generalized Cullen/Woodall LLR Sapphire: Earned 20,000,000 credits (20,037,992)PPS LLR Sapphire: Earned 20,000,000 credits (20,999,495)PSP LLR Sapphire: Earned 20,000,000 credits (20,117,197)SoB LLR Sapphire: Earned 20,000,000 credits (21,208,789)SR5 LLR Sapphire: Earned 20,000,000 credits (20,278,667)SGS LLR Jade: Earned 10,000,000 credits (17,716,419)TRP LLR Sapphire: Earned 20,000,000 credits (20,619,871)Woodall LLR Jade: Earned 10,000,000 credits (16,927,546)Generalized Cullen/Woodall Sieve Sapphire: Earned 20,000,000 credits (20,359,057)PPS Sieve Double Amethyst: Earned 1,000,000,000 credits (1,051,222,753)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,189,695)TRP Sieve (suspended) Jade: Earned 10,000,000 credits (10,102,079)AP 26/27 Emerald: Earned 50,000,000 credits (51,669,540)GFN Double Ruby: Earned 2,000,000,000 credits (3,563,509,176)PSA Double Bronze: Earned 100,000,000 credits (188,814,621)
Message 107259 - Posted: 25 Apr 2017 | 0:01:21 UTC
Last modified: 25 Apr 2017 | 13:59:32 UTC

On 23 April 2017, 22:31:40 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:

663*2^3390469+1

The prime is 1,020,636 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 205th overall.

The discovery was made by Rolf Henrik Nilsson (puh32) of Sweden using an Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz with 16GB RAM, running Microsoft Windows 10 Core Edition. This computer took about 49 minutes to complete the primality test using LLR.

The prime was verified on 24 April 2017 11:04:31 UTC, by Randall Scalise (Randall J. Scalise) of the United States using an Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz with 8GB RAM running Linux. This computer took about 1 hour 8 minutes to complete the primality test using LLR.

For more details, please see the official announcement.

Profile pschoeferProject donor
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Joined: 20 Sep 05
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Credit: 1,536,507,711
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Found 2 primes in the 2018 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,570,600)Cullen LLR Turquoise: Earned 5,000,000 credits (5,064,892)ESP LLR Turquoise: Earned 5,000,000 credits (9,085,104)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (10,365,812)PPS LLR Turquoise: Earned 5,000,000 credits (9,277,645)PSP LLR Turquoise: Earned 5,000,000 credits (6,435,120)SoB LLR Turquoise: Earned 5,000,000 credits (7,584,477)SR5 LLR Turquoise: Earned 5,000,000 credits (5,878,808)SGS LLR Turquoise: Earned 5,000,000 credits (6,127,764)TPS LLR (retired) Bronze: Earned 10,000 credits (76,372)TRP LLR Turquoise: Earned 5,000,000 credits (7,767,011)Woodall LLR Turquoise: Earned 5,000,000 credits (6,553,414)321 Sieve (suspended) Silver: Earned 100,000 credits (209,833)Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,000,264)Generalized Cullen/Woodall Sieve Turquoise: Earned 5,000,000 credits (9,191,689)PPS Sieve Double Silver: Earned 200,000,000 credits (342,928,524)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (3,177,104)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,556,644)AP 26/27 Sapphire: Earned 20,000,000 credits (20,445,331)GFN Double Silver: Earned 200,000,000 credits (274,186,890)PSA Double Gold: Earned 500,000,000 credits (781,021,878)
Message 107263 - Posted: 25 Apr 2017 | 7:34:37 UTC - in response to Message 107259.
Last modified: 25 Apr 2017 | 7:34:43 UTC

The prime is 1,002,636 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 205th overall.

There's a typo, the prime has 1,020,636 digits.

Van ZimmermanProject donor
Volunteer moderator
Project administrator
Volunteer tester
Project scientist
Send message
Joined: 30 Aug 12
Posts: 1879
ID: 168418
Credit: 5,114,882,133
RAC: 3,991,385
Discovered the World's First GFN-20 prime!!!Discovered 2 mega primesFound 1 prime in the 2018 Tour de Primes321 LLR Sapphire: Earned 20,000,000 credits (20,089,185)Cullen LLR Sapphire: Earned 20,000,000 credits (20,929,455)ESP LLR Sapphire: Earned 20,000,000 credits (20,089,407)Generalized Cullen/Woodall LLR Sapphire: Earned 20,000,000 credits (20,037,992)PPS LLR Sapphire: Earned 20,000,000 credits (20,999,495)PSP LLR Sapphire: Earned 20,000,000 credits (20,117,197)SoB LLR Sapphire: Earned 20,000,000 credits (21,208,789)SR5 LLR Sapphire: Earned 20,000,000 credits (20,278,667)SGS LLR Jade: Earned 10,000,000 credits (17,716,419)TRP LLR Sapphire: Earned 20,000,000 credits (20,619,871)Woodall LLR Jade: Earned 10,000,000 credits (16,927,546)Generalized Cullen/Woodall Sieve Sapphire: Earned 20,000,000 credits (20,359,057)PPS Sieve Double Amethyst: Earned 1,000,000,000 credits (1,051,222,753)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,189,695)TRP Sieve (suspended) Jade: Earned 10,000,000 credits (10,102,079)AP 26/27 Emerald: Earned 50,000,000 credits (51,669,540)GFN Double Ruby: Earned 2,000,000,000 credits (3,563,509,176)PSA Double Bronze: Earned 100,000,000 credits (188,814,621)
Message 107287 - Posted: 25 Apr 2017 | 14:01:12 UTC - in response to Message 107263.

The prime is 1,002,636 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 205th overall.

There's a typo, the prime has 1,020,636 digits.


Fixed.

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Message boards : News : Another PPS-Mega Prime!

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