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
56821801No factors below 276
P-1
B1=570 000
B2=12 397 500
LL
StatusDateUserResidueShift
Verified2013-07-22curtisc6AED5F663C439FD037765886
Verified2021-05-11Maris Skaistkalns6AED5F663C439FD052393226
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-08-04-Anonymous-LL double-check0.0 % 2020-08-042020-09-13
2020-06-22dovla81JLL double-check0.0 % 2020-06-222020-08-01
2020-04-15-Anonymous-LL double-check0.0 % 2020-04-152020-05-25
2020-02-05-Anonymous-LL double-check0.0 % 2020-02-052020-03-16
2019-10-15-Anonymous-LL double-check0.0 % 2019-10-152019-11-24
History
DateUserTypeResult
2021-05-11Maris SkaistkalnsC-LL6AED5F663C439FD0
2020-11-06-Anonymous-NFno factor from 2^75 to 2^76
2020-10-17-Anonymous-NFno factor from 2^74 to 2^75
2018-11-27Sid & AndyNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^58 to 2^63
2016-01-22-Anonymous-NFno factor from 2^72 to 2^73
2013-07-22curtiscC-LL6AED5F663C439FD0
2012-08-05TheJudgerNF-PM1B1=570000, B2=12397500, E=12
2012-05-14BdotNFno factor from 2^71 to 2^72
2012-02-28Kyle AskineNFno factor from 2^70 to 2^71
2012-02-13BdotNFno factor from 2^69 to 2^70
2011-07-27cporterfieldNFno factor from 2^68 to 2^69
2009-12-11Pi_RhoNFno factor from 2^67 to 2^68
2008-08-18Sturle SundeNFno factor from 2^66 to 2^67
2008-08-17Sturle SundeNFno factor from 2^65 to 2^66
2008-08-15Sturle SundeNFno factor from 2^64 to 2^65
2008-08-13Sturle SundeNFno factor from 2^63 to 2^64
2002-11-09-Anonymous-NFno factor to 2^58
2001-09-30-Anonymous-NFno factor to 2^57
2000-06-28-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor to 2^54
2000-01-19-Anonymous-NFno factor to 2^53
1999-12-23-Anonymous-NFno factor to 2^53