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
183948407Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
47137565670883211976232272.02019-05-05 08:20:18
History
DateUserTypeResult
2019-05-05yponomarevF
Factor: 4713756567088321197623 / TF: 71-72
2017-01-24guruNF
no factor from 2^70 to 2^71
2017-01-24guruNF
no factor from 2^69 to 2^70
2017-01-22Choi4KANGNF
no factor from 2^68 to 2^69
2016-07-13rubikvn2100NF
no factor from 2^67 to 2^68
2015-08-07Al-GorythmeNF
no factor from 2^66 to 2^67
2013-05-14sasaki3NF
no factor from 2^65 to 2^66
2011-03-30RichardNF
no factor from 2^64 to 2^65
2010-07-26Mr-PlonkNF
no factor from 2^63 to 2^64