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
206164213Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3129918330853100387032168.12017-10-16 14:25:08
History
DateUserTypeResult
2025-03-24James HeinrichF
Factor: 312991833085310038703 / TF: 68-70
2017-10-16NickF
Factor: 312991833085310038703 / TF: 68-69
2016-08-30rubikvn2100NF
no factor from 2^67 to 2^68
2015-10-05Doug RheaNF
no factor from 2^66 to 2^67
2013-08-01Gordon SpenceNF
no factor from 2^65 to 2^66
2011-05-09sasaki3NF
no factor from 2^64 to 2^65