PrimeGrid
Please visit donation page to help the project cover running costs for this month

Toggle Menu

Join PrimeGrid

Returning Participants

Community

Leader Boards

Results

Other

drummers-lowrise

Advanced search

Message boards : News : DIV Mega Prime!

Author Message
ReggieProject donor
Volunteer moderator
Project administrator
Volunteer tester
Project scientist
Send message
Joined: 10 May 14
Posts: 139
ID: 311759
Credit: 111,095,824
RAC: 122,394
Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de Primes321 LLR Gold: Earned 500,000 credits (735,832)Cullen LLR Gold: Earned 500,000 credits (595,972)ESP LLR Gold: Earned 500,000 credits (516,221)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (500,544)PPS LLR Amethyst: Earned 1,000,000 credits (1,180,833)PSP LLR Gold: Earned 500,000 credits (989,724)SoB LLR Amethyst: Earned 1,000,000 credits (1,003,790)SR5 LLR Gold: Earned 500,000 credits (501,196)SGS LLR Amethyst: Earned 1,000,000 credits (1,000,114)TRP LLR Amethyst: Earned 1,000,000 credits (1,004,185)Woodall LLR Gold: Earned 500,000 credits (941,128)321 Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,000,211)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,420)PPS Sieve Sapphire: Earned 20,000,000 credits (22,407,037)AP 26/27 Sapphire: Earned 20,000,000 credits (20,077,538)WW Silver: Earned 100,000 credits (436,000)GFN Sapphire: Earned 20,000,000 credits (36,130,192)PSA Sapphire: Earned 20,000,000 credits (20,070,245)
Message 144920 - Posted: 31 Oct 2020 | 21:18:58 UTC

On 27 October 2020, 22:38:04 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime:

29*2^7374577+1

The prime is 2,219,971 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 73rd overall.

The discovery was made by Pavel Atnashev (Pavel Atnashev) of Russia using an Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz with 4GB RAM, running Microsoft Windows 7 Professional x64 Edition. This computer took about 1 hour, 49 minutes to complete the primality test using LLR2. Pavel Atnashev is a member of the Ural Federal University team.

For more details, please see the official announcement.

Post to thread

Message boards : News : DIV Mega Prime!

[Return to PrimeGrid main page]
DNS Powered by DNSEXIT.COM
Copyright © 2005 - 2020 Rytis Slatkevičius (contact) and PrimeGrid community. Server load 3.47, 3.68, 3.84
Generated 3 Dec 2020 | 16:14:52 UTC