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
158277221Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
51060229879045411986492272.12018-05-07 12:52:59
History
DateUserTypeResult
2018-05-07yponomarevF
Factor: 5106022987904541198649 / TF: 72-73
2018-05-06David K BrittNF
no factor from 2^71 to 2^72
2018-03-20proxy2222NF
no factor from 2^70 to 2^71
2017-11-13Oliver KruseNF
no factor from 2^69 to 2^70
2017-03-10rubikvn2100NF
no factor from 2^68 to 2^69
2016-05-12mikeblasNF
no factor from 2^67 to 2^68
2015-04-24guruNF
no factor from 2^66 to 2^67
2013-02-14-Anonymous-NF
no factor from 2^65 to 2^66
2011-01-29runeskNF
no factor from 2^64 to 2^65
2010-07-01RichardNF
no factor from 2^63 to 2^64