919 258 381 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
129323631974363192881	21	66.8	2015-10-08 12:52:20

History

Date	User	Type	Result
2015-10-08	Conductor	F	Factor: 129323631974363192881 / TF: 66-67
2013-06-02	ramgeis	NF	no factor from 2^65 to 2^66
2011-09-12	linded	NF	no factor from 2^64 to 2^65
2010-06-21	linded	NF	no factor from 2^63 to 2^64

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