Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
198682357Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13371220367549242754812270.22015-09-21 22:55:07
History
DateUserTypeResult
2015-09-21demfloroF
Factor: 1337122036754924275481 / TF: 70-71
2015-09-21demfloroNF
no factor from 2^69 to 2^70
2015-09-21demfloroNF
no factor from 2^68 to 2^69
2015-09-21demfloroNF
no factor from 2^66 to 2^68
2013-07-06Chih-Wei HuangNF
no factor from 2^65 to 2^66
2011-04-26dslNF
no factor from 2^64 to 2^65
2010-09-031997rj7NF
no factor from 2^63 to 2^64