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

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MnStatusDetails
189198101Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19893053191171200726892270.82015-08-25 05:55:29
History
DateUserTypeResult
2015-08-25demfloroF
Factor: 1989305319117120072689 / TF: 70-71
2015-08-25demfloroNF
no factor from 2^69 to 2^70
2015-08-25demfloroNF
no factor from 2^68 to 2^69
2015-08-25demfloroNF
no factor from 2^66 to 2^68
2013-06-01sasaki3NF
no factor from 2^65 to 2^66
2011-04-07Mr-PlonkNF
no factor from 2^64 to 2^65
2010-08-01carlos56NF
no factor from 2^63 to 2^64