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
277250021Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
10806219642118423141132269.92019-07-24 19:37:01
History
DateUserTypeResult
2019-07-24ConductorF
Factor: 1080621964211842314113 / TF: 69-70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-05vwflat4NF
no factor from 2^67 to 2^68
2016-01-18RichardNF
no factor from 2^66 to 2^67
2013-12-08RichardNF
no factor from 2^65 to 2^66
2011-09-08Kamil GorskiNF
no factor from 2^64 to 2^65
2010-04-03oodairaNF
no factor from 2^63 to 2^64
2010-04-03oodairaNF
no factor from 2^62 to 2^63