46 609 219 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
49288259163322437398157889	26	85.3	2013-07-01 09:15:35

Status	Date	User	Residue	Shift
Verified (Factored)	2009-12-25	curtisc	C10576592ACF695B	34258632

P-1 factors

Date	Factor	B1	B2
2013-07-01	49288259163322437398157889	560000	11480000

History

Date	User	Type	Result
2013-07-01	David Campeau	F-PM1	Factor: 49288259163322437398157889
2013-04-27	kdgehman	NF	no factor from 2^71 to 2^72
2012-10-02	bcp19	NF	no factor from 2^70 to 2^71
2012-07-01	Carsten Kossendey	NF	no factor from 2^69 to 2^70
2011-06-04	Carsten Kossendey	NF	no factor from 2^68 to 2^69
2009-12-25	curtisc	C-LL	C10576592ACF695B