11 904 461 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
19499507119	11	34.2	old
39879372935873	14	45.2	2008-09-08 07:43:01

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-11-28	ATH	2622B25A27238B39	2	11684812	5	3

History

Date	User	Type	Result
2023-05-11	nordi	NF-PM1	B1=400000, B2=428459850
2021-11-28	curtisc	CERT	PRP Certification Proof certified good
2021-11-28	ATH	C-PRP	M11904461/19499507119/39879372935873 : 2622B25A27238B39 PRP proof power = 8 PRP: Verified Proof certified good
2021-11-16	nordi	NF-PM1	B1=400000, B2=12000000
2021-11-15	nordi	NF-PM1	B1=400000
2008-09-08	Will Edgington	F	Factor: 39879372935873