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
172250833Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
81148639001623696145272272.82019-04-04 16:13:22
History
DateUserTypeResult
2019-04-04yponomarevF
Factor: 8114863900162369614527 / TF: 72-73
2019-04-03Joe S.NF
no factor from 2^71 to 2^72
2018-12-06ZenghuiNF
no factor from 2^70 to 2^71
2018-03-27RobertNNF
no factor from 2^69 to 2^70
2015-05-04mikrNF
no factor from 2^68 to 2^69
2015-05-04mikrNF
no factor from 2^66 to 2^68
2013-04-05carlos56NF
no factor from 2^65 to 2^66
2011-02-27sasaki3NF
no factor from 2^64 to 2^65
2010-07-12Charles A. MorrisNF
no factor from 2^63 to 2^64