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
86101577Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 700000
B2 = 13825000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-07-27ky0uraku518C182ECD4680D55850379113
Verified2025-02-28tsc518C182ECD4680D53242956013
History
DateUserTypeResult
2025-02-28featherCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-02-28tscC-PRP
518C182ECD4680D5
PRP proof power = 9
PRP: Verified
Proof certified good
2019-07-27ky0urakuC-PRP
518C182ECD4680D5
PRP: Verified
PRP without proof (not generated)
2018-02-16Oliver KruseNF-PM1
B1=700000, B2=13825000, E=12
2017-12-101997rj7NF
no factor from 2^75 to 2^76
2017-11-26Brian BeuningNF
no factor from 2^74 to 2^75
2014-05-14blipNF
no factor from 2^73 to 2^74
2014-05-14blipNF
no factor from 2^72 to 2^73
2014-05-13blipNF
no factor from 2^71 to 2^72
2014-05-05blipNF
no factor from 2^70 to 2^71
2013-11-12ITSNF
no factor from 2^69 to 2^70
2013-10-20SMoffatNF
no factor from 2^68 to 2^69
2013-10-17SMoffatNF
no factor from 2^67 to 2^68
2010-11-19Michael CNF
no factor from 2^66 to 2^67
2010-11-19Michael CNF
no factor from 2^65 to 2^66
2010-11-19Michael CNF
no factor from 2^64 to 2^65