84 883 853 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
4721897487804179321740831	25	82.0	2017-12-11 20:04:35

P-1 factors

Date	Factor	B1	B2
2017-12-11	4721897487804179321740831	675000	12150000

History

Date	User	Type	Result
2017-12-11	Smok_bmv	F-PM1	Factor: 4721897487804179321740831 / (P-1, B1=675000, B2=12150000)
2017-07-05	electron1897	NF	no factor from 2^75 to 2^76
2017-06-25	The Mawn	NF	no factor from 2^74 to 2^75
2017-05-19	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-02-15	Judge Hale	NF	no factor from 2^72 to 2^73
2017-02-15	Judge Hale	NF	no factor from 2^71 to 2^72
2014-08-15	GrunwalderGIMP	NF	no factor from 2^70 to 2^71
2014-04-30	ANONYMOUS	NF	no factor from 2^69 to 2^70
2014-04-14	Preben S	NF	no factor from 2^68 to 2^69
2014-04-12	SMoffat	NF	no factor from 2^67 to 2^68
2013-02-21	Taz-i7	NF	no factor from 2^66 to 2^67
2012-08-18	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-23	Architects Cubed	NF	no factor from 2^64 to 2^65