7 320 527 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
184480871311008719047	21	67.3	2011-04-07 19:19:16

Status	Date	User	Residue	Shift
Verified (Factored)	1999-07-12	chadd williams	E5912368B0DB04EB	0
Verified (Factored)	2002-05-25	Ars Technica Team Prime Rib	E5912368B0DB04EB	7308300

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-02-27	Daniel Bamberger	CFFB5C0D2FE330D4	1	3554622	5	3
Verified	2019-05-04	ATH	CFFB5C0D2FE330D4	1	906597	5	3

History

Date	User	Type	Result
2024-12-26	Stef42	NF-PM1	B1=1054000, B2=1848150150
2019-05-04	ATH	C-PRP	M7320527/184480871311008719047 : CFFB5C0D2FE330D4 PRP: Verified PRP without proof (not generated)
2018-02-27	Daniel Bamberger	C-PRP	M7320527/184480871311008719047 : CFFB5C0D2FE330D4 PRP: Verified PRP without proof (not generated)
2011-04-07	James Heinrich	F-PM1	Factor: 184480871311008719047