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
160984231Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
33671956487444183900172271.52017-12-20 03:58:37
History
DateUserTypeResult
2017-12-20yponomarevF
Factor: 3367195648744418390017 / TF: 71-72
2017-12-19Jens PedersenNF
no factor from 2^70 to 2^71
2017-12-12NBNF
no factor from 2^69 to 2^70
2017-03-27kompakkiNF
no factor from 2^68 to 2^69
2016-03-13XZTNF
no factor from 2^67 to 2^68
2015-05-05vwflat4NF
no factor from 2^66 to 2^67
2013-02-24Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-03runeskNF
no factor from 2^64 to 2^65
2010-08-29CommasterNF
no factor from 2^63 to 2^64