76 492 681 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
1517560884471177778708897	25	80.3	2016-03-20 03:24:09

P-1 factors

Date	Factor	B1	B2
2016-03-20	1517560884471177778708897	640000	0

History

Date	User	Type	Result
2016-03-20	basey	F-PM1	Factor: 1517560884471177778708897 / (P-1, B1=640000)
2016-03-15	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-03-15	AirSquirrels	NF	no factor from 2^73 to 2^74
2014-03-23	DRH	NF	no factor from 2^72 to 2^73
2014-01-06	SMoffat	NF	no factor from 2^71 to 2^72
2012-12-24	ITS	NF	no factor from 2^70 to 2^71
2011-01-16	tmorrow	NF	no factor from 2^69 to 2^70
2011-01-10	GrunwalderGIMP	NF	no factor from 2^68 to 2^69
2011-01-09	-Anonymous-	NF	no factor from 2^67 to 2^68
2011-01-04	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-12-30	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-12-30	trif	NF	no factor from 2^64 to 2^65