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
195901481Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
43105482555702070749372271.92019-03-04 21:39:04
History
DateUserTypeResult
2019-03-04alexF
Factor: 4310548255570207074937 / TF: 71-72
2019-02-10Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2016-11-29Adam BuranNF
no factor from 2^69 to 2^70
2016-11-27Andrew BNF
no factor from 2^68 to 2^69
2016-08-15tmorrowNF
no factor from 2^67 to 2^68
2015-09-13tscNF
no factor from 2^66 to 2^67
2013-06-26-Anonymous-NF
no factor from 2^65 to 2^66
2011-04-21sasaki3NF
no factor from 2^64 to 2^65
2010-08-07MarzbugNF
no factor from 2^63 to 2^64