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
290028251Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4032086826929825191272168.52018-06-27 19:34:54
History
DateUserTypeResult
2018-06-27ConductorF
Factor: 403208682692982519127 / TF: 68-69
2016-08-08XZTNF
no factor from 2^67 to 2^68
2015-12-24rob147147NF
no factor from 2^66 to 2^67
2013-12-21carlos56NF
no factor from 2^65 to 2^66
2011-09-28GIMP PhilippinesNF
no factor from 2^64 to 2^65
2010-05-22Architects CubedNF
no factor from 2^63 to 2^64