8 866 157 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
10267009807	11	33.3	old
87304906120489	14	46.3	2008-09-30 23:53:48

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-03-08	_p95holder_	CA5822D96B1112C3	2	3139654	5	3
Verified	2020-09-17	marssystems	CA5822D96B1112C3	2	1705783	5	3

History

Date	User	Type	Result
2024-09-19	Stef42	NF-PM1	B1=1734000, B2=2008995450
2020-09-17	marssystems	C-PRP	M8866157/10267009807/87304906120489 : CA5822D96B1112C3 PRP: Verified PRP without proof (not generated)
2019-03-08	_p95holder_	C-PRP	M8866157/10267009807/87304906120489 : CA5822D96B1112C3 PRP: Verified PRP without proof (not generated)
2008-09-30	markr	F	Factor: 87304906120489