37 142 137 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
121541512972034682622159	24	76.7	2016-01-11 16:31:41

Status	Date	User	Residue	Shift
Verified (Factored)	2007-01-16	Hoang Anh Vo	EA73F45ACDB1F246	25579662

P-1 factors

Date	Factor	B1	B2
2016-01-11	121541512972034682622159	400000	12000000

History

Date	User	Type	Result
2016-01-11	HBendtz	F-PM1	Factor: 121541512972034682622159 / (P-1, B1=400000, B2=12000000, E=12)
2014-11-20	NickOfTime	NF	no factor from 2^70 to 2^71
2014-10-17	VictordeHollander	NF	no factor from 2^69 to 2^70
2013-06-23	kracker	NF	no factor from 2^68 to 2^69
2012-03-26	Carsten Kossendey	NF	no factor from 2^67 to 2^68