9 531 439 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
552823463	9	29.0	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-09-24	ANONYMOUS	D048928E68036260	1	1989357	5	3
Verified	2020-12-09	kutens	D048928E68036260	1	2991222	5	3

History

Date	User	Type	Result
2020-12-09	Ben Delo	CERT	PRP Certification Proof certified good
2020-12-09	kutens	C-PRP	M9531439/552823463 : D048928E68036260 PRP proof power = 8 PRP: Verified Proof certified good
2019-09-24	ANONYMOUS	C-PRP	M9531439/552823463 : D048928E68036260 PRP: Verified PRP without proof (not generated)

Username
Password