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
186917309Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12063761277791987700732270.02019-06-17 11:17:39
History
DateUserTypeResult
2025-05-08James HeinrichF
Factor: 1206376127779198770073 / TF: 70-71
2019-06-17yponomarevF
Factor: 1206376127779198770073 / TF: 70-71
2018-10-30Chabot PrimeNF
no factor from 2^69 to 2^70
2017-07-06RuzovejNF
no factor from 2^68 to 2^69
2016-08-10-Anonymous-NF
no factor from 2^67 to 2^68
2015-08-18sasaki3NF
no factor from 2^66 to 2^67
2013-05-24Broomfield Designers.comNF
no factor from 2^65 to 2^66
2011-04-03Thomas StorkNF
no factor from 2^64 to 2^65
2010-07-30carlos56NF
no factor from 2^63 to 2^64