Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2245357No factors below 268
P-1
B1=3 677 255
B2=128 703 915
LL
StatusDateUserResidueShift
VerifiedJohn Borleis IIIC628B3F980D00CE50
VerifiednphanC628B3F980D00CE50
Verified1999-03-01Kent LeeC628B3F980D00CE51525289
History
DateUserTypeResult
2020-11-04GdSNF-PM1B1=3677255, B2=128703915, E=12
2019-04-01TJAOINFno factor from 2^67 to 2^68
2017-01-05Gordon SpenceNFno factor from 2^66 to 2^67
2016-02-23Mark RoseNFno factor from 2^1 to 2^60
2015-12-05Alexander DubrovinNF-PM1B1=1000000, B2=10000000, E=12
2015-10-26ramgeisNFno factor from 2^65 to 2^66
2015-03-10VictordeHollanderNFno factor from 2^64 to 2^65
2015-03-10VictordeHollanderNFno factor from 2^63 to 2^64
2014-08-25-Anonymous-NF-PM1B1=128585
2013-12-04LaurVNFno factor from 2^62 to 2^63
2012-05-03Sebastian HornbostelNFno factor from 2^61 to 2^62
2011-01-07markrNF-PM1B1=100000, B2=2075000, E=6
2010-11-11Jocelyn LaroucheNF-PM1B1=30000
2009-01-11Sturle SundeNFno factor from 2^60 to 2^61
2003-04-03-Anonymous-NF-PM1B1=2048, B2=204800, E=12
1999-03-01-Anonymous-C-LLC628B3F980D00CE5