277 943 641 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
1997367018949089862681	22	70.8	2019-10-25 20:32:34

History

Date	User	Type	Result
2019-10-25	Conductor	F	Factor: 1997367018949089862681 / TF: 70-71
2019-09-02	Yxinity	NF	no factor from 2^69 to 2^70
2018-07-09	Niels_Mache_Nextcloud	NF	no factor from 2^68 to 2^69
2016-11-23	Richard	NF	no factor from 2^67 to 2^68
2016-01-15	sannerud.com	NF	no factor from 2^66 to 2^67
2013-12-08	arnaud	NF	no factor from 2^65 to 2^66
2011-09-09	sasaki3	NF	no factor from 2^64 to 2^65
2010-04-04	linded	NF	no factor from 2^63 to 2^64
2010-04-04	linded	NF	no factor from 2^62 to 2^63