903 377 557 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2208530059350306468473	22	70.9	2019-01-02 11:20:10

History

Date	User	Type	Result
2019-01-02	Conductor	F	Factor: 2208530059350306468473 / TF: 70-71
2017-04-09	Conductor	NF	no factor from 2^69 to 2^70
2017-02-22	Conductor	NF	no factor from 2^68 to 2^69
2016-06-13	Conductor	NF	no factor from 2^67 to 2^68
2015-02-02	Gordon Spence	NF	no factor from 2^66 to 2^67
2013-04-25	ramgeis	NF	no factor from 2^65 to 2^66
2011-02-05	linded	NF	no factor from 2^64 to 2^65
2010-07-02	linded	NF	no factor from 2^63 to 2^64