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
85365173Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 685000
B2 = 13528750
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-07-14Mihai Preda078CF9F864FE1939013
Verified2023-05-24_p95holder_078CF9F864FE1939994749913
History
DateUserTypeResult
2023-05-24_p95holder_C-PRP
078CF9F864FE1939
PRP: Verified
PRP without proof (not generated)
2019-07-14Mihai PredaC-PRP
078CF9F864FE1939
PRP: Verified
PRP without proof (not generated)
2019-04-28ATHNF
no factor from 2^63 to 2^64
2019-04-28ATHNF
no factor from 2^1 to 2^63
2018-01-03Oliver KruseNF-PM1
B1=685000, B2=13528750, E=12
2017-09-17TheJudgerNF
no factor from 2^75 to 2^76
2017-09-14-Anonymous-NF
no factor from 2^74 to 2^75
2017-04-20-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-03Strolling JellyfishNF
no factor from 2^72 to 2^73
2014-02-25nate.andersNF
no factor from 2^71 to 2^72
2014-02-25nate.andersNF
no factor from 2^70 to 2^71
2014-02-23nate.andersNF
no factor from 2^69 to 2^70
2014-02-23nate.andersNF
no factor from 2^68 to 2^69
2013-03-04-Anonymous-NF
no factor from 2^67 to 2^68
2013-03-01alexbrahmNF
no factor from 2^66 to 2^67
2013-02-28E.LechnerNF
no factor from 2^65 to 2^66
2010-11-26Architects CubedNF
no factor from 2^64 to 2^65