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
2876959No factors below 269
P-1
B1=5 000 000
B2=200 000 000
LL
StatusDateUserResidueShift
Verified1997-11-21Luke WelshDD309965F97DF7D90
Verified1999-10-07Carlo BaffaDD309965F97DF7D92197683
Verified2018-09-23kkmrkkblmbrbkDD309965F97DF7D9360999
History
DateUserTypeResult
2021-05-13TJAOINFno factor from 2^68 to 2^69
2020-03-05masserNF-PM1B1=5000000, B2=200000000, E=12
2019-10-23masserNF-PM1B1=2880000, B2=28800000, E=12
2019-01-10chuenkitNFno factor from 2^67 to 2^68
2018-09-23kkmrkkblmbrbkC-LLDD309965F97DF7D9
2017-11-12Gordon SpenceNFno factor from 2^66 to 2^67
2017-06-28Jocelyn LaroucheNF-PM1B1=390000, B2=3900000, E=6
2016-02-23Mark RoseNFno factor from 2^59 to 2^60
2016-02-19YxinityNFno factor from 2^65 to 2^66
2015-04-21VictordeHollanderNFno factor from 2^64 to 2^65
2015-04-21VictordeHollanderNFno factor from 2^63 to 2^64
2013-01-10dbaughNFno factor from 2^62 to 2^63
2012-01-19markrNFno factor from 2^61 to 2^62
2011-09-28markrNF-PM1B1=195000, B2=4923750, E=6
2011-01-23Jocelyn LaroucheNF-PM1B1=50000
2010-12-24Jocelyn LaroucheNF-PM1B1=20000
2009-07-03Carsten KossendeyNF-PM1B1=15000, B2=161250
2009-02-13Sturle SundeNFno factor from 2^60 to 2^61
2003-11-28-Anonymous-NF-PM1B1=2048, B2=204800
1999-10-07carlo_baffaC-LLDD309965F97DF7D9
1997-11-21-Anonymous-C-LLDD309965F97DF7D9
1997-11-11-Anonymous-NFno factor to 2^59