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
225840047Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
85000078818062673450972272.82019-03-11 09:55:37
History
DateUserTypeResult
2019-03-11alexF
Factor: 8500007881806267345097 / TF: 72-73
2018-11-03David HruskaNF
no factor from 2^71 to 2^72
2018-09-23David HruskaNF
no factor from 2^70 to 2^71
2018-08-29David HruskaNF
no factor from 2^69 to 2^70
2018-03-20Walt J. RimmerNF
no factor from 2^68 to 2^69
2016-09-15XZTNF
no factor from 2^67 to 2^68
2015-11-06Mr-PlonkNF
no factor from 2^66 to 2^67
2013-09-08OS1NF
no factor from 2^65 to 2^66
2011-06-16SaraNF
no factor from 2^64 to 2^65