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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
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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 Jade: Earned 10,000,000 credits (15,468,910)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 (20,106,782)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 (16,228,869)SGS LLR Jade: Earned 10,000,000 credits (14,134,778)TRP LLR Sapphire: Earned 20,000,000 credits (20,619,871)Woodall LLR Jade: Earned 10,000,000 credits (16,893,295)Generalized Cullen/Woodall Sieve Sapphire: Earned 20,000,000 credits (20,326,839)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 (3,367,350,125)PSA Double Bronze: Earned 100,000,000 credits (186,919,477)
Message 109350 - Posted: 14 Aug 2017 | 17:59:48 UTC
Last modified: 14 Aug 2017 | 18:12:51 UTC

On 9 August 2017, 00:27:22 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
999*2^3418885+1

The prime is 1,029,190 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 198th overall.

The discovery was made by Randall Scalise (Randall J. Scalise) of the United States using an Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz with 8GB RAM, running Linux. This computer took about 1 hour 20 minutes to complete the primality test using LLR.

The prime was verified on 9 August 2017, 04:07:04 UTC by Eric Eskam (Doc No) of the United States using an Intel(R) Core(TM)2 Quad Q6600 CPU @ 2.40GHz with 3GB RAM, running Microsoft Windows 10 Professional Edition. This computer took about 5 hours 2 minutes to complete the primality test using LLR. Eric is a member of the Heinlein Fans team.

For more details, please see the official announcement.

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Message boards : News : Another PPS-Mega Prime!

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