Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
69733441Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 650000
B2 = 11862500
LL
StatusDateUserResidueShift
Verified2016-10-06Mikhail E. Golosov34B518D8DBE17DEE65223547
Verified2024-07-01Ryan Propper34B518D8DBE17DEE67730117
History
DateUserTypeResult
2024-07-01Ryan PropperC-LL
34B518D8DBE17DEE
2016-10-06Mikhail E. GolosovC-LL
34B518D8DBE17DEE
2016-06-08Judge HaleNF
no factor from 2^74 to 2^75
2016-03-31Mark RoseNF
no factor from 2^64 to 2^65
2016-03-30Mark RoseNF
no factor from 2^62 to 2^64
2014-12-01Jerry HallettNF
no factor from 2^73 to 2^74
2014-07-04AdolfNorNF-PM1
B1=650000, B2=11862500
2014-04-19ChuckNF
no factor from 2^72 to 2^73
2014-04-19ChuckNF
no factor from 2^71 to 2^72
2013-06-08JoDuNF
no factor from 2^70 to 2^71
2012-03-25Simon HarrisonNF
no factor from 2^69 to 2^70
2010-02-23Sturle SundeNF
no factor from 2^68 to 2^69
2010-02-22ixfd64NF
no factor from 2^67 to 2^68
2010-02-16ANONYMOUSNF
no factor from 2^66 to 2^67
2010-02-10JudgeGabranthNF
no factor from 2^65 to 2^66