Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
69269311Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 745000
B2 = 15645000
LL
StatusDateUserResidueShift
Verified2016-09-02Stephan GruppA6FD5A3EF0FBCE8227757870
Verified2023-10-04Ryan PropperA6FD5A3EF0FBCE82636293
History
DateUserTypeResult
2023-10-04Ryan PropperC-LL
A6FD5A3EF0FBCE82
2016-09-02Stephan GruppC-LL
A6FD5A3EF0FBCE82
2016-04-12monstNF
no factor from 2^74 to 2^75
2016-03-30Mark RoseNF
no factor from 2^62 to 2^64
2016-03-29Mark RoseNF
no factor from 2^64 to 2^65
2014-05-27brilongNF
no factor from 2^73 to 2^74
2014-05-27brilongNF
no factor from 2^72 to 2^73
2014-05-27brilongNF
no factor from 2^71 to 2^72
2014-01-07Smok_bmv NF-PM1
B1=745000, B2=15645000
2012-08-06Holger WiesmannNF
no factor from 2^70 to 2^71
2012-03-29GrunwalderGIMPNF
no factor from 2^69 to 2^70
2010-04-14GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-04-13GrunwalderGIMPNF
no factor from 2^67 to 2^68
2010-04-12GrunwalderGIMPNF
no factor from 2^66 to 2^67
2008-06-14arnaudNF
no factor from 2^65 to 2^66