60 465 473 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
12850552559520705957651673	26	83.4	2013-01-14 14:05:18

P-1 factors

Date	Factor	B1	B2
2013-01-14	12850552559520705957651673	560000	10640000

History

Date	User	Type	Result
2022-03-29	LordJulius	NF	no factor from 2^60 to 2^63
2013-01-14	Jwb52z	F-PM1	Factor: 12850552559520705957651673
2012-12-20	AntonioK	NF	no factor from 2^71 to 2^73
2012-11-14	James Rushworth	NF	no factor from 2^70 to 2^71
2011-07-12	Tom Duell	NF	no factor from 2^69 to 2^70
2009-11-29	tmorrow	NF	no factor from 2^68 to 2^69
2009-11-26	James Heinrich	NF	no factor from 2^67 to 2^68
2009-11-23	SAHS Tech Dept	NF	no factor from 2^66 to 2^67
2009-09-13	SAHS Tech Dept	NF	no factor from 2^65 to 2^66
2009-09-08	ixfd64	NF	no factor from 2^64 to 2^65
2009-05-27	markr	NF	no factor from 2^63 to 2^64