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
147950389Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
47622133078963199156712272.02017-09-15 10:10:07
History
DateUserTypeResult
2017-09-15yponomarevF
Factor: 4762213307896319915671 / TF: 72-73
2017-09-09el groccoNF
no factor from 2^71 to 2^72
2017-03-01JoDuNF
no factor from 2^70 to 2^71
2016-06-25La GüiraNF
no factor from 2^69 to 2^70
2016-06-25La GüiraNF
no factor from 2^68 to 2^69
2016-03-17DerekNF
no factor from 2^67 to 2^68
2015-03-10karhuNF
no factor from 2^66 to 2^67
2013-01-04Viba ITNF
no factor from 2^65 to 2^66
2011-01-04sasaki3NF
no factor from 2^64 to 2^65