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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
101517113Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 480000
B2 = 69010200
LL
StatusDateUserResidueShift
Unverified2020-12-19David Gill-BoucherC02EF5313D8039__51911191
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-11-08-Anonymous-LL double-checkLL0.00 % 2024-11-14
History
DateUserTypeResult
2023-03-05Mark RoseNF-PM1
B1=480000, B2=69010200
2020-12-19David Gill-BoucherC-LL
C02EF5313D8039__
2020-12-04David Gill-BoucherNF-PM1
B1=920000
2020-10-08Bill StaffenNF
no factor from 2^76 to 2^77
2020-10-08Bill StaffenNF
no factor from 2^75 to 2^76
2020-10-08Bill StaffenNF
no factor from 2^74 to 2^75
2020-03-25Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-15el groccoNF
no factor from 2^72 to 2^73
2014-12-02shaugeNF
no factor from 2^71 to 2^72
2014-04-06PascalBieriNF
no factor from 2^70 to 2^71
2014-04-06-Anonymous-NF
no factor from 2^70 to 2^71
2014-03-31Smok_bmv NF
no factor from 2^69 to 2^70
2014-03-25SMoffatNF
no factor from 2^68 to 2^69
2013-10-29KayJongsmaNF
no factor from 2^67 to 2^68
2013-10-25g0bNF
no factor from 2^66 to 2^67
2012-04-26RichardNF
no factor from 2^65 to 2^66
2010-08-14Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-03-291997rj7NF
no factor from 2^63 to 2^64