104 524 447 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
973891728109387173857934529	27	89.7	2020-12-04 12:17:02

P-1 factors

Date	Factor	B1	B2
2020-12-04	973891728109387173857934529	5000000	5000000

History

Date	User	Type	Result
2020-12-04	Ryan Propper	F-PM1	Factor: 973891728109387173857934529 / (P-1, B1=5000000)
2020-09-27	RichD0	NF	no factor from 2^75 to 2^76
2020-09-23	RichD0	NF	no factor from 2^74 to 2^75
2020-04-01	SRBase	NF	no factor from 2^73 to 2^74
2019-12-04	CGH	NF	no factor from 2^72 to 2^73
2014-12-29	seban	NF	no factor from 2^71 to 2^72
2014-10-17	shauge	NF	no factor from 2^70 to 2^71
2014-10-17	shauge	NF	no factor from 2^69 to 2^70
2014-10-17	shauge	NF	no factor from 2^68 to 2^69
2014-06-11	PascalBieri	NF	no factor from 2^67 to 2^68
2014-05-16	symallad	NF	no factor from 2^66 to 2^67
2012-05-05	OS1	NF	no factor from 2^65 to 2^66
2010-08-27	sasaki3	NF	no factor from 2^64 to 2^65
2010-04-19	linded	NF	no factor from 2^63 to 2^64