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

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MnStatusDetails
157174531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8304689885251466681178312479.52024-09-30 04:13:31
P-1 factors
DateFactorB1B2
2024-09-3083046898852514666811783113430001311255660
History
DateUserTypeResult
2024-09-30Luke DurantF-PM1
Factor: 830468988525146668117831 / (P-1, B1=1343000, B2=1311255660)
2024-08-19SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^68 to 2^69
2023-02-26SRBaseNF
no factor from 2^74 to 2^75
2021-11-18SRBaseNF
no factor from 2^73 to 2^74
2018-04-11David HruskaNF
no factor from 2^72 to 2^73
2018-02-22David HruskaNF
no factor from 2^71 to 2^72
2017-12-17David HruskaNF
no factor from 2^70 to 2^71
2017-11-05David HruskaNF
no factor from 2^69 to 2^70
2016-07-25Josh FamestadNF
no factor from 2^68 to 2^69
2016-05-09sasakiNF
no factor from 2^67 to 2^68
2015-04-18Jason UNF
no factor from 2^66 to 2^67
2013-02-10sasaki3NF
no factor from 2^65 to 2^66
2011-01-27dslNF
no factor from 2^64 to 2^65
2010-06-27Carsten KossendeyNF
no factor from 2^63 to 2^64