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
153162563Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
69749949801458629024972272.62017-06-05 09:38:10
History
DateUserTypeResult
2017-06-05d3zorgF
Factor: 6974994980145862902497 / TF: 72-73
2017-06-03Ilya AlexandrovNF
no factor from 2^71 to 2^72
2017-06-03Ilya AlexandrovNF
no factor from 2^70 to 2^71
2017-06-01La GüiraNF
no factor from 2^69 to 2^70
2015-03-04mikrNF
no factor from 2^68 to 2^69
2015-03-04mikrNF
no factor from 2^66 to 2^68
2013-01-25sasaki3NF
no factor from 2^65 to 2^66
2011-01-18runeskNF
no factor from 2^64 to 2^65
2010-06-24AliNF
no factor from 2^63 to 2^64