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
293067283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
25609508981550277863912271.12019-11-23 18:22:58
History
DateUserTypeResult
2025-04-25James HeinrichF
Factor: 2560950898155027786391 / TF: 71-72
2019-11-23Smok_bmv F
Factor: 2560950898155027786391 / TF: 71-72*
2019-11-23Smok_bmv NF
no factor from 2^70 to 2^71
2019-09-06Chabot PrimeNF
no factor from 2^69 to 2^70
2018-07-25Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-28NBCC NF
no factor from 2^67 to 2^68
2016-01-20rob147147NF
no factor from 2^66 to 2^67
2013-12-24Mr-PlonkNF
no factor from 2^65 to 2^66
2011-10-01CorbyguyNF
no factor from 2^64 to 2^65
2010-05-26Architects CubedNF
no factor from 2^63 to 2^64
2010-04-08monstNF
no factor from 2^62 to 2^63