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
478133011Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6238660668623273729212169.12017-12-08 04:33:50
History
DateUserTypeResult
2017-12-08ky0urakuF
Factor: 623866066862327372921 / TF: 69-70
2017-12-01ky0urakuNF
no factor from 2^68 to 2^69
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-03-23sasakiNF
no factor from 2^66 to 2^67
2014-10-09firereddNF
no factor from 2^65 to 2^66
2011-12-12Damian SilvestreNF
no factor from 2^64 to 2^65
2010-03-29Architects CubedNF
no factor from 2^63 to 2^64