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
64545493Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 274
P-1
B1 = 590000
B2 = 12980000
LL
StatusDateUserResidueShift
Verified2015-08-10MarylandMathMan5B32AB782895C58026359788
Verified2022-02-19JerryHedden5B32AB782895C58010831694
History
DateUserTypeResult
2024-06-15James HeinrichNF
no factor from 2^70 to 2^71
2022-02-19JerryHeddenC-LL
5B32AB782895C580
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2015-08-10MarylandMathManC-LL
5B32AB782895C580
2013-11-22owftheevilNF-PM1
B1=590000, B2=12980000, e=2
2013-11-17TheJudgerNF
no factor from 2^73 to 2^74
2013-11-17TheJudgerNF
no factor from 2^72 to 2^73
2013-10-10Mark RoseNF
no factor from 2^71 to 2^72
2013-06-10Carsten KossendeyNF
no factor from 2^70 to 2^71
2012-01-08MarekBNF
no factor from 2^69 to 2^70
2009-12-25sunithayaNF
no factor from 2^68 to 2^69
2009-12-22sunithayaNF
no factor from 2^67 to 2^68
2009-12-18GrunwalderGIMPNF
no factor from 2^66 to 2^67
2009-10-12cesantoNF
no factor from 2^65 to 2^66
2009-10-07Sturle SundeNF
no factor from 2^64 to 2^65
2009-05-31Architects CubedNF
no factor from 2^63 to 2^64