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
477685253Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3208768128446381383512168.12017-12-31 08:06:38
History
DateUserTypeResult
2017-12-31ky0urakuF
Factor: 320876812844638138351 / TF: 68-69
2016-06-09sasakiNF
no factor from 2^67 to 2^68
2016-03-30sasakiNF
no factor from 2^66 to 2^67
2014-10-09LingUaanNF
no factor from 2^65 to 2^66