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

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MnStatusDetails
99597283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
118074573267963122814942012683.32020-07-02 11:29:22
P-1 factors
DateFactorB1B2
2020-07-021180745732679631228149420177500015306250
History
DateUserTypeResult
2020-07-02ky0urakuF-PM1
Factor: 11807457326796312281494201 / (P-1, B1=775000, B2=15306250, E=12)
2020-05-11TheJudgerNF
no factor from 2^76 to 2^77
2020-05-11TheJudgerNF
no factor from 2^75 to 2^76
2020-05-11TheJudgerNF
no factor from 2^74 to 2^75
2019-12-14Hans LoeblichNF
no factor from 2^73 to 2^74
2019-04-03Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-01-30monstNF
no factor from 2^71 to 2^72
2014-05-09CSLatDDNF
no factor from 2^70 to 2^71
2014-05-06CSLatDDNF
no factor from 2^69 to 2^70
2014-05-01CSLatDDNF
no factor from 2^68 to 2^69
2014-04-27Carsten KossendeyNF
no factor from 2^66 to 2^68
2012-10-06Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-10-181997rj7NF
no factor from 2^64 to 2^65