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
204388291Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2667383906979940130392167.92015-10-06 12:55:08
3272415041571840728172168.12025-01-20 10:54:21
History
DateUserTypeResult
2025-01-20TJAOIF
Factor: 327241504157184072817 / TF: 68-69
2015-10-06demfloroF
Factor: 266738390697994013039 / TF: 66-68
2013-07-28RichardNF
no factor from 2^65 to 2^66
2011-05-06sasaki3NF
no factor from 2^64 to 2^65