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
53648981No factors below 273
P-1
B1=645 000
B2=19 350 000
LL
StatusDateUserResidueShift
Bad2012-02-03enricoCD72F03537FC5E085257702
Verified2017-05-28Ernst W. Mayer3FCD9B272D54800F0
Verified2017-06-06kkmrkkblmbrbk3FCD9B272D54800F43895963
History
DateUserTypeResult
2017-06-06kkmrkkblmbrbkC-LL3FCD9B272D54800F
2017-05-28Ernst W. MayerC-LL3FCD9B272D54800F
2016-02-14AirSquirrelsNFno factor from 2^72 to 2^73
2015-12-26-Anonymous-NFno factor from 2^71 to 2^72
2012-02-03enricoC-LLCD72F03537FC5E08
2011-08-01Thure DuehrsenNFno factor from 2^70 to 2^71
2011-05-23XyzzyNFno factor from 2^69 to 2^70
2011-01-28Zet_korNFno factor from 2^68 to 2^69
2011-01-28apocalypseNF-PM1B1=645000, B2=19350000, E=6
2009-05-01yukiNFno factor from 2^67 to 2^68
2009-02-23Chang Chia-TcheNFno factor from 2^66 to 2^67
2009-02-19PaladinNFno factor from 2^65 to 2^66
2009-02-18PaladinNFno factor from 2^64 to 2^65
2008-09-14-Anonymous-NFno factor to 2^64
2007-08-141997rj7NFno factor to 2^63
2004-06-041997rj7NFno factor to 2^60
2002-07-20-Anonymous-NFno factor to 2^58
2001-08-18-Anonymous-NFno factor to 2^57
2000-05-24-Anonymous-NFno factor to 2^56
2000-03-01-Anonymous-NFno factor to 2^54
2000-01-12-Anonymous-NFno factor to 2^53
1999-12-08-Anonymous-NFno factor to 2^53