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

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MnStatusDetails
165523121Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
478645715288663151442392375.32024-08-13 01:45:21
P-1 factors
DateFactorB1B2
2024-08-13478645715288663151442391381000890162130
History
DateUserTypeResult
2024-08-13Luke DurantF-PM1
Factor: 47864571528866315144239 / (P-1, B1=1381000, B2=890162130)
2023-03-12SRBaseNF
no factor from 2^74 to 2^75
2021-12-12SRBaseNF
no factor from 2^73 to 2^74
2018-02-05nate.andersNF
no factor from 2^72 to 2^73
2018-02-02nate.andersNF
no factor from 2^71 to 2^72
2018-01-22Russ42NF
no factor from 2^70 to 2^71
2018-01-20ZenghuiNF
no factor from 2^69 to 2^70
2017-04-16Andrew BNF
no factor from 2^68 to 2^69
2016-05-29Andrew BNF
no factor from 2^67 to 2^68
2015-05-25Ahasver WandererNF
no factor from 2^66 to 2^67
2013-03-13Mr-PlonkNF
no factor from 2^65 to 2^66
2011-02-111997rj7NF
no factor from 2^64 to 2^65
2010-07-05EPFNF
no factor from 2^63 to 2^64