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
905188637Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18690637516670672872732270.72017-10-18 18:50:49
History
DateUserTypeResult
2017-10-18ConductorF
Factor: 1869063751667067287273 / TF: 69-71
2016-05-15YxinityNF
no factor from 2^67 to 2^70
2015-02-05Gordon SpenceNF
no factor from 2^66 to 2^67
2013-04-25ramgeisNF
no factor from 2^65 to 2^66
2011-11-05lindeeNF
no factor from 2^64 to 2^65