8 016 763 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
17802264963347333001791	23	73.9	2012-09-25 15:09:13

Status	Date	User	Residue	Shift
Verified (Factored)	2000-04-05	Mason Guy	0A05508B6E96DF0A	7109786
Verified (Factored)	2002-09-29	Ars Technica Team Prime Rib	0A05508B6E96DF0A	6744152

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-10	_p95holder_	EFCB88F76E12F994	1	273065	5	3
Verified	2020-01-04	Luigi Morelli	EFCB88F76E12F994	1	7681881	5	3

P-1 factors

Date	Factor	B1	B2
2012-09-25	17802264963347333001791	100000	1950000

History

Date	User	Type	Result
2020-01-04	Luigi Morelli	C-PRP	M8016763/17802264963347333001791 : EFCB88F76E12F994 PRP: Verified PRP without proof (not generated)
2018-07-10	_p95holder_	C-PRP	M8016763/17802264963347333001791 : EFCB88F76E12F994 PRP: Verified PRP without proof (not generated)
2012-09-25	Nesowa	F-PM1	Factor: 17802264963347333001791