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
165944249Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
63687668852773301985832272.42018-07-25 03:36:38
History
DateUserTypeResult
2018-07-25Smok_bmv F
Factor: 6368766885277330198583 / TF: 72-73*
2018-07-21Ilya AlexandrovNF
no factor from 2^71 to 2^72
2018-07-21Ilya AlexandrovNF
no factor from 2^70 to 2^71
2018-01-29Oliver KruseNF
no factor from 2^69 to 2^70
2017-04-18Mr-PlonkNF
no factor from 2^68 to 2^69
2016-06-05ANONYMOUSNF
no factor from 2^67 to 2^68
2015-05-27vwflat4NF
no factor from 2^66 to 2^67
2013-03-15Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-11runeskNF
no factor from 2^64 to 2^65
2010-07-05sasaki3NF
no factor from 2^63 to 2^64