Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
108882439Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16639525938007849322078812580.52023-02-25 04:14:39
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2021-01-02Christian GeschwentnerBC6B5EF74729889C013
P-1 factors
DateFactorB1B2
2023-02-25166395259380078493220788148100036076950
History
DateUserTypeResult
2023-02-25Architects CubedF-PM1
Factor: 1663952593800784932207881 / (P-1, B1=481000, B2=36076950)
2021-01-02Ryan UsherCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-01-02Christian GeschwentnerC-PRP
BC6B5EF74729889C
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good
2020-09-12el groccoNF
no factor from 2^75 to 2^76
2020-03-27Will HockensmithNF
no factor from 2^74 to 2^75
2019-08-05Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-08-05Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-01-29Jonathan WebbNF
no factor from 2^71 to 2^72
2014-10-31shaugeNF
no factor from 2^70 to 2^71
2014-10-31shaugeNF
no factor from 2^69 to 2^70
2014-09-12g0bNF
no factor from 2^68 to 2^69
2014-07-28g0bNF
no factor from 2^67 to 2^68
2014-07-24g0bNF
no factor from 2^66 to 2^67
2012-05-23KoekieNF
no factor from 2^65 to 2^66
2010-09-12CommasterNF
no factor from 2^64 to 2^65
2010-04-28subgeniusNF
no factor from 2^63 to 2^64