Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
137687929Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15196504074808464190687132580.32024-09-18 12:07:01
P-1 factors
DateFactorB1B2
2024-09-18151965040748084641906871367600031127040
History
DateUserTypeResult
2024-09-18Ryan PropperF-PM1
Factor: 1519650407480846419068713 / (P-1, B1=676000, B2=31127040)
2024-07-23Luke DurantNF
no factor from 2^76 to 2^77
2024-07-13SRBaseNF
no factor from 2^75 to 2^76
2023-01-15SRBaseNF
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
2016-05-17d3zorgNF
no factor from 2^71 to 2^72
2016-05-16DerekNF
no factor from 2^70 to 2^71
2016-05-16DerekNF
no factor from 2^69 to 2^70
2016-05-15Choi4KANGNF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-02-18RichardNF
no factor from 2^66 to 2^67
2012-11-13sasaki3NF
no factor from 2^65 to 2^66
2010-12-01oodairaNF
no factor from 2^64 to 2^65
2010-06-11Torchwood InstituteNF
no factor from 2^63 to 2^64