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Message boards : News : 321 Mega Prime!

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Joined: 10 May 14
Posts: 236
ID: 311759
Credit: 240,389,959
RAC: 760,207
Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,037,769)Cullen LLR Ruby: Earned 2,000,000 credits (2,026,465)ESP LLR Ruby: Earned 2,000,000 credits (2,053,710)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,053,929)PPS LLR Jade: Earned 10,000,000 credits (11,860,195)PSP LLR Ruby: Earned 2,000,000 credits (2,006,539)SoB LLR Ruby: Earned 2,000,000 credits (4,921,547)SR5 LLR Turquoise: Earned 5,000,000 credits (5,046,188)SGS LLR Ruby: Earned 2,000,000 credits (2,682,790)TRP LLR Ruby: Earned 2,000,000 credits (2,016,337)Woodall LLR Ruby: Earned 2,000,000 credits (2,012,569)321 Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,000,211)Cullen/Woodall Sieve Jade: Earned 10,000,000 credits (19,026,866)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,420)PPS Sieve Sapphire: Earned 20,000,000 credits (22,440,747)AP 26/27 Sapphire: Earned 20,000,000 credits (20,526,311)GFN Emerald: Earned 50,000,000 credits (63,438,439)WW (retired) Emerald: Earned 50,000,000 credits (50,172,000)PSA Sapphire: Earned 20,000,000 credits (20,070,245)
Message 144919 - Posted: 31 Oct 2020 | 21:14:06 UTC

On 25 October 2020, 11:30:07 UTC, PrimeGrid's 321 Search found the Mega Prime:

3*2^16408818+1

The prime is 4,939,547 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 21st overall.

The discovery was made by Dr. James Scott Brown (Scott Brown) of the United States using an Intel(R) Core(TM) i7-4770S CPU @ 3.10GHz with 8GB RAM, running Microsoft Windows 10 Enterprise x64 Edition. This computer took about 6 hours, 6 minutes to complete the primality test using LLR2. Dr. James Scott Brown is a member of the Aggie The Pew team.

For more details, please see the official announcement.

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Message boards : News : 321 Mega Prime!

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