904 148 741 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
2178959017395371534033	22	70.9	2019-05-02 16:12:07

History

Date	User	Type	Result
2019-05-02	Conductor	F	Factor: 2178959017395371534033 / TF: 70-71
2017-10-02	Conductor	NF	no factor from 2^69 to 2^70
2017-03-28	Conductor	NF	no factor from 2^68 to 2^69
2016-06-15	Conductor	NF	no factor from 2^67 to 2^68
2015-02-03	Gordon Spence	NF	no factor from 2^66 to 2^67
2012-01-20	linded	NF	no factor from 2^65 to 2^66
2011-10-06	BJB	NF	no factor from 2^64 to 2^65
2010-07-25	linded	NF	no factor from 2^63 to 2^64