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
67996501Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 12555000
LL
StatusDateUserResidueShift
Verified2016-06-11curtiscAC4E6A12727A8D6246503536
Verified2024-01-20MirraAC4E6A12727A8D6237739608
History
DateUserTypeResult
2024-01-20MirraC-LL
AC4E6A12727A8D62
2016-06-11curtiscC-LL
AC4E6A12727A8D62
2015-12-03ktonyNF
no factor from 2^74 to 2^75
2013-10-07Architects CubedNF-PM1
B1=620000, B2=12555000, E=6
2013-10-04Jerry HallettNF
no factor from 2^73 to 2^74
2013-07-31Juergen KampmeierNF
no factor from 2^72 to 2^73
2013-07-31Juergen KampmeierNF
no factor from 2^71 to 2^72
2013-07-31Juergen KampmeierNF
no factor from 2^70 to 2^71
2013-05-02Dustin7575NF
no factor from 2^69 to 2^70
2010-01-18Sturle SundeNF
no factor from 2^68 to 2^69
2010-01-16Sturle SundeNF
no factor from 2^67 to 2^68
2010-01-15Sturle SundeNF
no factor from 2^66 to 2^67
2010-01-13PrimeCruncherNF
no factor from 2^65 to 2^66
2010-01-10Per JessenNF
no factor from 2^64 to 2^65
2008-12-27Wojciech FlorekNF
no factor from 2^63 to 2^64