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
138062753Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
640073495624985738167592375.82024-07-16 05:08:49
History
DateUserTypeResult
2025-05-27DMiddendorpF
Factor: 64007349562498573816759 / TF: 75-76
2024-07-16SRBaseF
Factor: 64007349562498573816759 / TF: 75-76*
2023-01-12SRBaseNF
no factor from 2^74 to 2^75
2021-07-31SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2016-04-17Choi4KANGNF
no factor from 2^71 to 2^72
2016-02-20Ready4PrimeTimeNF
no factor from 2^70 to 2^71
2015-01-05La GüiraNF
no factor from 2^69 to 2^70
2015-01-05La GüiraNF
no factor from 2^68 to 2^69
2015-01-05La GüiraNF
no factor from 2^66 to 2^68
2012-11-15tscNF
no factor from 2^65 to 2^66
2010-12-06Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-06-21RichardNF
no factor from 2^63 to 2^64