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
2088833No factors below 268
P-1
B1=2 500 000
B2=125 000 000
LL
StatusDateUserResidueShift
Verifiedknut ploderEB6D296D5B5D04B90
Verified1999-02-07Lisa ClaytonEB6D296D5B5D04B91184172
Verified2017-06-11kkmrkkblmbrbkEB6D296D5B5D04B9864538
History
DateUserTypeResult
2019-04-01chuenkitNFno factor from 2^67 to 2^68
2017-06-11kkmrkkblmbrbkC-LLEB6D296D5B5D04B9
2017-05-13Jocelyn LaroucheNF-PM1B1=364598, B2=3645980, E=6
2017-04-30mikrNF-PM1B1=2500000, B2=125000000, E=12
2016-11-08Jocelyn LaroucheNF-PM1B1=262509
2016-11-04Jocelyn LaroucheNF-PM1B1=218758
2016-10-01Gordon SpenceNFno factor from 2^66 to 2^67
2016-07-06Jocelyn LaroucheNF-PM1B1=182299, B2=5872500, E=12
2016-02-23Mark RoseNFno factor from 2^58 to 2^60
2015-11-06ramgeisNFno factor from 2^65 to 2^66
2015-04-10VictordeHollanderNFno factor from 2^64 to 2^65
2015-04-10VictordeHollanderNFno factor from 2^63 to 2^64
2013-09-03ramgeisNFno factor from 2^62 to 2^63
2012-03-19Sebastian HornbostelNFno factor from 2^61 to 2^62
2011-02-14James HeinrichNF-PM1B1=135000, B2=2936250, E=6
2011-01-08Jocelyn LaroucheNF-PM1B1=50000
2010-12-28Jocelyn LaroucheNF-PM1B1=30000
2009-07-26harleeNF-PM1B1=20000, B2=260000
2009-01-02Sturle SundeNFno factor from 2^60 to 2^61
2003-02-27-Anonymous-NF-PM1B1=2048, B2=204800, E=12
1999-02-07-Anonymous-C-LLEB6D296D5B5D04B9
1999-01-17-Anonymous-NFno factor to 2^58