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
202271659Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42327207732232884831532271.82015-09-28 00:55:14
History
DateUserTypeResult
2015-09-28demfloroF
Factor: 4232720773223288483153 / TF: 71-72
2015-09-28demfloroNF
no factor from 2^70 to 2^71
2015-09-28demfloroNF
no factor from 2^69 to 2^70
2015-09-28demfloroNF
no factor from 2^68 to 2^69
2015-09-28demfloroNF
no factor from 2^66 to 2^68
2012-10-01riccardo ubertiNF
no factor from 2^65 to 2^66
2011-05-05c10ck3rNF
no factor from 2^64 to 2^65