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
100310531Factored
FactorDigitsBitsDate
549581275198029522065976523672995.52020-10-07 16:33:30
P-1 factors
DateFactorB1B2
2020-10-075495812751980295220659765236772300019528000
History
DateUserTypeResult
2020-10-07Jwb52zF-PM1
Factor: 54958127519802952206597652367 / (P-1, B1=723000, B2=19528000)
2020-07-26penluNF
no factor from 2^75 to 2^76
2020-07-26penluNF
no factor from 2^74 to 2^75
2020-02-25JoDuNF
no factor from 2^73 to 2^74
2020-02-11bayanneNF
no factor from 2^72 to 2^73
2017-03-08mikrNF
no factor from 2^71 to 2^72
2015-02-10kevshawNF
no factor from 2^70 to 2^71
2015-02-06Choi4KANGNF
no factor from 2^69 to 2^70
2014-03-20-Anonymous-NF
no factor from 2^68 to 2^69
2013-10-20AdolfNorNF
no factor from 2^67 to 2^68
2011-03-14Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-08Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-10carlos56NF
no factor from 2^64 to 2^65
2010-02-141997rj7NF
no factor from 2^63 to 2^64