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Message boards : News : TRP Mega Prime!

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Van ZimmermanProject donor
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Project scientist
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Joined: 30 Aug 12
Posts: 1812
ID: 168418
Credit: 4,540,440,167
RAC: 4,946,496
Discovered the World's First GFN-20 prime!!!Discovered 2 mega primesFound 1 prime in the 2018 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (19,903,909)Cullen LLR Jade: Earned 10,000,000 credits (11,383,059)ESP LLR Jade: Earned 10,000,000 credits (13,202,174)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (19,659,378)PPS LLR Sapphire: Earned 20,000,000 credits (20,106,782)PSP LLR Sapphire: Earned 20,000,000 credits (20,117,197)SoB LLR Sapphire: Earned 20,000,000 credits (21,208,789)SR5 LLR Jade: Earned 10,000,000 credits (14,389,640)SGS LLR Jade: Earned 10,000,000 credits (12,011,537)TRP LLR Sapphire: Earned 20,000,000 credits (20,619,871)Woodall LLR Jade: Earned 10,000,000 credits (12,964,368)Generalized Cullen/Woodall Sieve Sapphire: Earned 20,000,000 credits (20,199,057)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 (51,633,153)GFN Double Ruby: Earned 2,000,000,000 credits (3,040,434,661)PSA Double Bronze: Earned 100,000,000 credits (171,094,720)
Message 112342 - Posted: 15 Dec 2017 | 15:03:49 UTC
Last modified: 15 Dec 2017 | 15:23:51 UTC

On 13 December 2017, 07:13:55 UTC, PrimeGrid’s The Riesel Problem project eliminated k=273809 by finding the mega prime:

273809*2^8932416-1

The prime is 2,688,931 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 29th overall. This is PrimeGrid's 15th elimination. 49 k's now remain.

The discovery was made by Wolfgang Schwieger (DeleteNull) of Germany using an Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz with 32 GB RAM running Linux. This computer took about 2 hours and 14 minutes to complete the primality test using multithreaded LLR. Wolfgang is a member of the SETI.Germany team.

The prime was verified on 15 December 2017, 11:39:55 UTC, by Christian Geffcken (CGe0963) of Switzerland using an Intel(R) Core(TM) i5-3437U CPU @ 1.90GHz with 8 GB RAM running Microsoft Windows 7 Professional. This computer took about 41 hours and 47 minutes to complete the primality test using LLR.

For more details, please see the official announcement.

Vitaly
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Joined: 24 Sep 12
Posts: 36
ID: 173343
Credit: 12,479,035
RAC: 14
ESP LLR Silver: Earned 100,000 credits (285,317)PPS LLR Bronze: Earned 10,000 credits (10,134)PSP LLR Amethyst: Earned 1,000,000 credits (1,080,134)SoB LLR Turquoise: Earned 5,000,000 credits (7,075,547)TRP LLR Bronze: Earned 10,000 credits (46,141)Generalized Cullen/Woodall Sieve Silver: Earned 100,000 credits (364,372)PPS Sieve Ruby: Earned 2,000,000 credits (3,367,629)TRP Sieve (suspended) Bronze: Earned 10,000 credits (22,458)GFN Silver: Earned 100,000 credits (223,935)
Message 112349 - Posted: 15 Dec 2017 | 19:13:46 UTC - in response to Message 112342.

This is the greate present for the New Year )

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Message boards : News : TRP Mega Prime!

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