Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
160308299Factored
FactorDigitsBitsDate
7532016219521913805327691986760291364738125.82020-12-03 23:38:48
P-1 factors
DateFactorB1B2
2020-12-03753201621952191380532769198676029136475000000150000000
History
DateUserTypeResult
2020-12-03Roland ClarksonF-PM1
Factor: 75320162195219138053276919867602913647 / (P-1, B1=5000000, B2=150000000)
2020-12-03Roland ClarksonNF
no factor from 2^78 to 2^79
2020-12-03Roland ClarksonNF
no factor from 2^77 to 2^78
2020-12-03Roland ClarksonNF
no factor from 2^76 to 2^77
2017-12-25Oliver KruseNF
no factor from 2^70 to 2^76
2017-12-03Luigi R.NF
no factor from 2^69 to 2^70
2017-03-21XolotlNF
no factor from 2^68 to 2^69
2016-03-02XZTNF
no factor from 2^67 to 2^68
2015-05-05etoomarNF
no factor from 2^66 to 2^67
2013-02-22Chih-Wei HuangNF
no factor from 2^65 to 2^66
2011-02-02runeskNF
no factor from 2^64 to 2^65
2010-06-29Charles A. MorrisNF
no factor from 2^63 to 2^64