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

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
37769773No factors below 271
P-1
B1=400 000
B2=12 000 000
LL
StatusDateUserResidueShift
Verified2007-07-24Gerald Swann1068CEF8EBAA7CC431755677
Verified2016-07-09C.L. Alons1068CEF8EBAA7CC410500961
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2015-08-07-Anonymous-LL double-check0.0 % 2015-08-072015-09-16
2015-06-27-Anonymous-LL double-check0.0 % 2015-06-272015-08-06
2015-05-15-Anonymous-LL double-check0.0 % 2015-05-172015-06-26
2015-04-04-Anonymous-LL double-check0.0 % 2015-04-042015-05-14
2015-02-22-Anonymous-LL double-check0.0 % 2015-02-222015-04-03
2015-01-12-Anonymous-LL double-check0.0 % 2015-01-122015-02-21
2014-12-02JamesLL double-check0.0 % 2014-12-022015-01-11
History
DateUserTypeResult
2016-07-09C.L. AlonsC-LL1068CEF8EBAA7CC4
2016-04-06HBendtzNF-PM1B1=400000, B2=12000000, e=12
2014-11-29Sid & AndyNFno factor from 2^70 to 2^71
2014-10-12Architects CubedNFno factor from 2^69 to 2^70
2013-07-27Carsten KossendeyNFno factor from 2^68 to 2^69
2012-04-05Serge BatalovNFno factor from 2^67 to 2^68
2007-07-24-Anonymous-C-LL1068CEF8EBAA7CC4
2007-06-15-Anonymous-NF-PM1B1=660000
2006-07-10JC_HerlesNFno factor to 2^67