61 528 391 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
12373166404121925668059405133663	32	103.3	2013-03-16 23:06:12

P-1 factors

Date	Factor	B1	B2
2013-03-16	12373166404121925668059405133663	585000	11992500

History

Date	User	Type	Result
2022-03-29	LordJulius	NF	no factor from 2^62 to 2^63
2013-03-16	Just factoring!	F-PM1	Factor: 12373166404121925668059405133663
2013-03-15	Kyle Askine	NF	no factor from 2^72 to 2^73
2013-03-15	Kyle Askine	NF	no factor from 2^71 to 2^72
2012-09-06	Clown_Royal	NF	no factor from 2^70 to 2^71
2011-11-14	Jaeckel	NF	no factor from 2^69 to 2^70
2009-07-29	plusplus	NF	no factor from 2^68 to 2^69
2009-02-05	S36049	NF	no factor from 2^67 to 2^68
2009-02-04	S36049	NF	no factor from 2^66 to 2^67
2009-02-02	-Anonymous-	NF	no factor from 2^65 to 2^66
2009-02-02	-Anonymous-	NF	no factor from 2^64 to 2^65
2009-02-02	-Anonymous-	NF	no factor from 2^63 to 2^64