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

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MnStatusDetails
99394793Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
613948407725038338770328972685.72020-06-26 05:06:37
P-1 factors
DateFactorB1B2
2020-06-26613948407725038338770328977750000
History
DateUserTypeResult
2020-06-26ky0urakuF-PM1
Factor: 61394840772503833877032897 / (P-1, B1=775000)
2020-05-11TheJudgerNF
no factor from 2^76 to 2^77
2020-05-11TheJudgerNF
no factor from 2^75 to 2^76
2020-03-25LaurVNF
no factor from 2^74 to 2^75
2019-11-29el groccoNF
no factor from 2^73 to 2^74
2019-04-14Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-01-19monstNF
no factor from 2^71 to 2^72
2014-07-04-Anonymous-NF
no factor from 2^70 to 2^71
2014-07-01SMoffatNF
no factor from 2^69 to 2^70
2014-06-26SMoffatNF
no factor from 2^68 to 2^69
2014-04-22Carsten KossendeyNF
no factor from 2^66 to 2^68
2012-11-24Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-12-021997rj7NF
no factor from 2^64 to 2^65