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

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MnStatusDetails
90055543Factored
FactorDigitsBitsDate
12070186723473477551218639372890.02018-12-26 06:33:26
P-1 factors
DateFactorB1B2
2018-12-26120701867234734775512186393773000014052500
History
DateUserTypeResult
2018-12-26Godtop-1F-PM1
Factor: 1207018672347347755121863937 / (P-1, B1=730000, B2=14052500, E=6)
2018-12-09Kevin JagetNF
no factor from 2^75 to 2^76
2018-12-09Kevin JagetNF
no factor from 2^74 to 2^75
2018-02-25c10ck3rNF-PM1
B1=10000
2017-10-23Carsten KossendeyNF
no factor from 2^73 to 2^74
2016-07-06Carsten KossendeyNF
no factor from 2^72 to 2^73
2015-07-10Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-04-Anonymous-NF
no factor from 2^70 to 2^71
2013-11-15Carsten KossendeyNF
no factor from 2^69 to 2^70
2012-05-23Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-11-16Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-02-08Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-01-09Carsten KossendeyNF
no factor from 2^65 to 2^66