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
255066883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28550961055316826131992271.32019-10-21 03:21:34
History
DateUserTypeResult
2019-10-21Smok_bmv F
Factor: 2855096105531682613199 / TF: 71-72*
2019-10-21Smok_bmv NF
no factor from 2^70 to 2^71
2019-04-16Chabot PrimeNF
no factor from 2^69 to 2^70
2018-06-08Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2015-08-31caddrNF
no factor from 2^66 to 2^68
2013-11-11VampicanNF
no factor from 2^65 to 2^66
2011-08-02tscNF
no factor from 2^64 to 2^65
2010-03-09EPFNF
no factor from 2^63 to 2^64
2010-03-09EPFNF
no factor from 2^62 to 2^63