Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
247658387Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
62756618998254833382472272.42019-03-16 17:03:16
History
DateUserTypeResult
2019-03-16vladglushko88F
Factor: 6275661899825483338247 / TF: 72-73
2019-03-16vladglushko88NF
no factor from 2^71 to 2^72
2019-03-16vladglushko88NF
no factor from 2^70 to 2^71
2019-03-16vladglushko88NF
no factor from 2^69 to 2^70
2018-05-25rubikvn2100NF
no factor from 2^68 to 2^69
2016-10-19rubikvn2100NF
no factor from 2^67 to 2^68
2015-12-16RichardNF
no factor from 2^66 to 2^67
2013-11-01RichardNF
no factor from 2^65 to 2^66
2011-07-21ALSNF
no factor from 2^64 to 2^65