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
320016509Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3994978116561439118712168.42018-07-30 11:08:12
History
DateUserTypeResult
2025-03-08James HeinrichF
Factor: 399497811656143911871 / TF: 68-70
2018-07-30lindvvF
Factor: 399497811656143911871 / TF: 68-69*
2016-10-25KuyiytereaNF
no factor from 2^67 to 2^68
2016-02-26James HintzNF
no factor from 2^66 to 2^67
2014-01-30RichardNF
no factor from 2^65 to 2^66
2011-11-04Joe BauerNF
no factor from 2^64 to 2^65