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
273121361Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2216748897394282690972167.62016-10-28 15:50:52
History
DateUserTypeResult
2016-10-28fraltF
Factor: 221674889739428269097 / TF: 67-68
2016-01-08tscNF
no factor from 2^66 to 2^67
2013-12-02tscNF
no factor from 2^65 to 2^66
2011-09-01OS1NF
no factor from 2^64 to 2^65
2010-03-29carlos56NF
no factor from 2^63 to 2^64
2010-03-29carlos56NF
no factor from 2^62 to 2^63