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
644040983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18152269950709073691112270.62020-01-23 15:53:39
History
DateUserTypeResult
2020-01-23Smok_bmv F
Factor: 1815226995070907369111 / TF: 70-71
2018-09-18Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2017-05-05sasakiNF
no factor from 2^68 to 2^69
2017-01-25sasakiNF
no factor from 2^67 to 2^68
2014-06-08sasakiNF
no factor from 2^66 to 2^67
2014-03-14america64NF
no factor from 2^65 to 2^66
2010-11-03Architects CubedNF
no factor from 2^64 to 2^65
2010-07-29Architects CubedNF
no factor from 2^63 to 2^64