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
56959933Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 570000
B2 = 12540000
LL
StatusDateUserResidueShift
Verified2012-11-11curtisc87C5CD1671F2EAE720840009
Verified2021-05-01Iuri Bachnivsky87C5CD1671F2EAE752642207
History
DateUserTypeResult
2021-05-01Iuri BachnivskyC-LL
87C5CD1671F2EAE7
2019-02-03TheJudgerNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-01-05LaurVNF
no factor from 2^72 to 2^73
2012-11-11curtiscC-LL
87C5CD1671F2EAE7
2012-07-30owftheevilNF-PM1
B1=570000, B2=12540000, E=12
2012-07-13Kyle AskineNF
no factor from 2^71 to 2^72
2012-06-22MclighterNF
no factor from 2^70 to 2^71
2011-07-24The Magic ForestNF
no factor from 2^69 to 2^70
2011-06-14Zet_korNF
no factor from 2^68 to 2^69
2009-11-25Michael HanschoNF
no factor from 2^67 to 2^68
2008-08-30Sturle SundeNF
no factor from 2^66 to 2^67
2008-08-29Sturle SundeNF
no factor from 2^65 to 2^66
2008-08-29Sturle SundeNF
no factor from 2^64 to 2^65
2008-08-27Sturle SundeNF
no factor from 2^63 to 2^64