36 221 219 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
43247755007058069134801	23	75.2	2015-08-30 17:20:30

Status	Date	User	Residue	Shift
Verified (Factored)	2008-04-08	Grodeon	D5940FE5C2C2D246	25871397

P-1 factors

Date	Factor	B1	B2
2015-08-30	43247755007058069134801	500000	10000000

History

Date	User	Type	Result
2015-08-30	HBendtz	F-PM1	Factor: 43247755007058069134801 / (P-1, B1=500000, B2=10000000, E=12)
2014-08-24	kdgehman	NF	no factor from 2^70 to 2^71
2014-08-24	kdgehman	NF	no factor from 2^69 to 2^70
2012-01-12	kdgehman	NF	no factor from 2^68 to 2^69
2012-01-12	kdgehman	NF	no factor from 2^67 to 2^68