13 008 181 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
10822806593	11	33.3	old
581856560522689	15	49.0	2008-10-01 00:43:59

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-06-02	XZT	ABBF23A0FCF1F430	2	3352072	5	3

History

Date	User	Type	Result
2022-06-02	wally_olson	CERT	PRP Certification Proof certified good
2022-06-02	XZT	C-PRP	M13008181/10822806593/581856560522689 : ABBF23A0FCF1F430 PRP proof power = 8 PRP: Verified Proof certified good
2022-05-29	nordi	NF-PM1	B1=300000, B2=229868100
2022-05-26	nordi	NF-PM1	B1=300000
2008-10-01	markr	F	Factor: 581856560522689