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
86477359Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 700000
B2 = 13125000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-08-31ky0uraku85271B55146E9CF55237104713
Verified2025-02-19GdS85271B55146E9CF5013
History
DateUserTypeResult
2025-02-19JJCCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-02-19GdSC-PRP
85271B55146E9CF5
PRP proof power = 10
PRP: Verified
Proof certified good
2024-06-11James HeinrichNF
no factor from 2^68 to 2^69
2019-08-31ky0urakuC-PRP
85271B55146E9CF5
PRP: Verified
PRP without proof (not generated)
2018-04-19proxy2222NF-PM1
B1=700000, B2=13125000
2018-03-20krackerNF
no factor from 2^75 to 2^76
2018-01-21Son JohanNF
no factor from 2^74 to 2^75
2017-05-12RichD0NF
no factor from 2^73 to 2^74
2017-04-30Matthias WurtingerNF
no factor from 2^72 to 2^73
2017-02-11masserNF
no factor from 2^71 to 2^72
2014-09-04-Anonymous-NF
no factor from 2^70 to 2^71
2014-03-21hkskypNF
no factor from 2^69 to 2^70
2014-01-14Carsten KossendeyNF
no factor from 2^68 to 2^69
2013-08-21James RushworthNF
no factor from 2^67 to 2^68
2013-03-18wangyun183NF
no factor from 2^66 to 2^67
2010-12-29Michael CNF
no factor from 2^65 to 2^66
2010-11-22Architects CubedNF
no factor from 2^64 to 2^65