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
198747383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
36049842189717025272732271.62019-08-20 10:58:28
History
DateUserTypeResult
2019-08-20Smok_bmv F
Factor: 3604984218971702527273 / TF: 71-72
2019-02-09Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-27Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-12arnieNF
no factor from 2^68 to 2^69
2016-08-16XZTNF
no factor from 2^67 to 2^68
2015-09-21JoJo-SUN24NF
no factor from 2^66 to 2^67
2013-07-06tscNF
no factor from 2^65 to 2^66
2011-04-27James HeinrichNF
no factor from 2^64 to 2^65
2010-09-101997rj7NF
no factor from 2^63 to 2^64