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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Exponent Range:










MnStatusDetails
54219401TF
No factors below 274
TF target 273
P-1
B1 = 755000
B2 = 16798750
LL
StatusDateUserResidueShift
Verified2014-02-06curtiscE81B90A50E3E9F6A32917143
Verified2020-09-07jpldudesE81B90A50E3E9F6A1572055
History
DateUserTypeResult
2020-09-07jpldudesC-LL
E81B90A50E3E9F6A
2019-08-02Jon PaceNF
no factor from 2^73 to 2^74
2018-07-04Architects CubedNF-PM1
B1=755000, B2=16798750, E=12
2016-02-14AirSquirrelsNF
no factor from 2^72 to 2^73
2014-02-06curtiscC-LL
E81B90A50E3E9F6A
2012-05-23hustensaftNF-PM1
B1=245000, B2=4348750, E=6
2012-05-17bcp19NF
no factor from 2^71 to 2^72
2011-09-08XyzzyNF
no factor from 2^70 to 2^71
2011-07-22TheJudgerNF
no factor from 2^69 to 2^70
2011-04-06-Anonymous-NF
no factor from 2^68 to 2^69
2009-05-18dmbleessNF
no factor from 2^67 to 2^68
2008-12-26Sturle SundeNF
no factor from 2^66 to 2^67
2008-12-25Sturle SundeNF
no factor from 2^65 to 2^66
2008-12-24AlJomarNF
no factor from 2^64 to 2^65
2008-12-151997rj7NF
no factor to 2^64