45 359 767 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
8488851651755824587521	22	72.8	2012-12-16 02:02:32

Status	Date	User	Residue	Shift
Verified (Factored)	2009-09-25	curtisc	FC9ABE3620D884B7	32747203

P-1 factors

Date	Factor	B1	B2
2012-12-16	8488851651755824587521	535000	11770000

History

Date	User	Type	Result
2024-05-12	James Heinrich	NF	no factor from 2^68 to 2^69
2022-06-26	LordJulius	NF	no factor from 2^63 to 2^64
2012-12-16	David Campeau	F-PM1	Factor: 8488851651755824587521
2012-10-25	David Campeau	NF	no factor from 2^70 to 2^71
2012-07-14	Carsten Kossendey	NF	no factor from 2^69 to 2^70
2011-10-01	Carsten Kossendey	NF	no factor from 2^68 to 2^69
2009-09-25	curtisc	C-LL	FC9ABE3620D884B7