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
56107901No factors below 274
P-1
B1=1 000 000
B2=20 000 000
LL
StatusDateUserResidueShift
Verified2012-02-29curtisc581D755997D71850197900
Verified2021-05-06Michael Quevillon581D755997D718503127837
Verified2021-05-11AuspiciousLLama581D755997D718505216383
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-03-04-Anonymous-LL double-check0.0 % 2020-03-042020-04-13
2019-12-22-Anonymous-LL double-check0.0 % 2019-12-222020-01-31
2019-09-09-Anonymous-LL double-check0.0 % 2019-09-092019-10-19
2019-06-22-Anonymous-LL double-check0.0 % 2019-06-222019-08-01
2019-04-13-Anonymous-LL double-check0.0 % 2019-04-132019-05-23
2019-01-09-Anonymous-LL double-check0.0 % 2019-01-092019-02-18
History
DateUserTypeResult
2021-05-11AuspiciousLLamaC-LL581D755997D71850
2021-05-06Michael QuevillonC-LL581D755997D71850
2018-10-09Sid & AndyNF-PM1B1=1000000, B2=20000000, E=12
2018-04-25ktonyNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^60 to 2^63
2016-01-22-Anonymous-NFno factor from 2^72 to 2^73
2015-11-27Mark RoseNFno factor from 2^71 to 2^72
2012-02-29curtiscC-LL581D755997D71850
2012-01-15curtiscNF-PM1B1=775000
2011-06-13shaugeNFno factor from 2^70 to 2^71
2011-06-13shaugeNFno factor from 2^69 to 2^70
2011-04-11GnorfeNFno factor from 2^68 to 2^69
2009-05-22Cow_tippingNFno factor from 2^67 to 2^68
2008-06-24Sturle SundeNFno factor from 2^66 to 2^67
2008-06-23Sturle SundeNFno factor from 2^65 to 2^66
2008-06-22Sturle SundeNFno factor from 2^64 to 2^65
2008-06-21Sturle SundeNFno factor from 2^63 to 2^64
2004-09-161997rj7NFno factor to 2^60
2002-09-07-Anonymous-NFno factor to 2^58
2001-09-16-Anonymous-NFno factor to 2^57
2000-05-31-Anonymous-NFno factor to 2^56
2000-03-01-Anonymous-NFno factor to 2^54
2000-01-19-Anonymous-NFno factor to 2^53
1999-12-08-Anonymous-NFno factor to 2^53