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
207568037Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2212502304421203106572167.62015-10-29 12:27:30
History
DateUserTypeResult
2024-03-17James HeinrichF
Factor: 221250230442120310657 / TF: 1-69
2015-10-29ConductorF
Factor: 221250230442120310657 / TF: 67-68
2015-09-27rob147147NF
no factor from 2^66 to 2^67
2013-08-04tscNF
no factor from 2^65 to 2^66
2011-05-11dslNF
no factor from 2^64 to 2^65