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
85485853Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 690000
B2 = 13627500
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-06-07ky0uraku4045D10D4292C48C6778845513
Verified2024-01-04Oliver Kruse4045D10D4292C48C013
History
DateUserTypeResult
2024-01-06Cosmos95CERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-01-04Oliver KruseC-PRP
4045D10D4292C48C
PRP proof power = 8
PRP: Verified
Proof certified good
2019-06-07ky0urakuC-PRP
4045D10D4292C48C
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
2018-01-14Oliver KruseNF-PM1
B1=690000, B2=13627500, E=12
2017-09-101997rj7NF
no factor from 2^75 to 2^76
2017-09-05Brian BeuningNF
no factor from 2^74 to 2^75
2017-04-20-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-07Strolling JellyfishNF
no factor from 2^72 to 2^73
2013-09-16SRS TechnologyNF
no factor from 2^71 to 2^72
2013-09-16SRS TechnologyNF
no factor from 2^70 to 2^71
2013-09-16SRS TechnologyNF
no factor from 2^69 to 2^70
2013-09-16SRS TechnologyNF
no factor from 2^68 to 2^69
2013-06-15S00030NF
no factor from 2^67 to 2^68
2013-02-26SMoffatNF
no factor from 2^66 to 2^67
2013-02-25SMoffatNF
no factor from 2^65 to 2^66
2010-11-26Architects CubedNF
no factor from 2^64 to 2^65