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
85783021Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 690000
B2 = 13627500
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-07-05ky0urakuD08CCC3E4FA28F564713154113
Verified2024-04-14MichaelRTD08CCC3E4FA28F563848546313
History
DateUserTypeResult
2024-04-14MichaelRTC-PRP
D08CCC3E4FA28F56
PRP: Verified
PRP without proof (not generated)
2019-07-05ky0urakuC-PRP
D08CCC3E4FA28F56
PRP: Verified
PRP without proof (not generated)
2018-02-06S485122NF-PM1
B1=690000, B2=13627500, E=12
2017-10-15TheJudgerNF
no factor from 2^75 to 2^76
2017-10-11Brian BeuningNF
no factor from 2^74 to 2^75
2017-05-12-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-12Judge HaleNF
no factor from 2^72 to 2^73
2017-03-12Judge HaleNF
no factor from 2^71 to 2^72
2014-08-20Duane BongNF
no factor from 2^70 to 2^71
2014-04-14ITSNF
no factor from 2^69 to 2^70
2014-04-11Preben SNF
no factor from 2^68 to 2^69
2013-06-14g0bNF
no factor from 2^67 to 2^68
2013-02-27GrunwalderGIMPNF
no factor from 2^66 to 2^67
2013-02-26GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-11-28Architects CubedNF
no factor from 2^64 to 2^65