42 783 553 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
8259932035532601444562033	25	82.8	2018-12-20 22:20:51

Status	Date	User	Residue	Shift
Verified (Factored)	2008-05-22	Timo K.	7FB476955C19A7A6	2147067
Verified (Factored)	2016-09-14	pcbbc	7FB476955C19A7A6	20037429

P-1 factors

Date	Factor	B1	B2
2018-12-20	8259932035532601444562033	570000	11400000

History

Date	User	Type	Result
2018-12-20	Architects Cubed	F-PM1	Factor: 8259932035532601444562033 / (P-1, B1=570000, B2=11400000, E=12)
2018-12-07	Robin89	NF	no factor from 2^72 to 2^73
2016-09-14	pcbbc	C-LL	7FB476955C19A7A6
2015-09-03	-Anonymous-	NF	no factor from 2^71 to 2^72
2015-04-13	Mark Rose	NF	no factor from 2^70 to 2^71
2015-02-23	chalsall	NF	no factor from 2^69 to 2^70
2014-03-05	LaurV	NF	no factor from 2^68 to 2^69