11 646 889 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
11829428152275199	17	53.4	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-10-28	ThomRuley	6B17A241F255E42A	1	5312423	1	3
Verified	2021-10-29	LaurV	6B17A241F255E42A	1	7013142	1	3

History

Date	User	Type	Result
2025-06-10	yuriy_5-1	NF	no factor from 2^70 to 2^71
2025-05-05	yuriy_5-1	NF	no factor from 2^69 to 2^70
2025-04-04	yuriy_5-1	NF	no factor from 2^68 to 2^69
2025-03-11	yuriy_5-1	NF-PM1	B1=6988128, B2=453435840
2025-02-10	yuriy_5-1	NF-PM1	B1=4658752, B2=598008840
2024-06-17	yuriy_5-1	NF-PM1	B1=262144, B2=137022600
2021-10-29	LaurV	C-PRP	M11646889/11829428152275199 : 6B17A241F255E42A PRP: Verified PRP without proof (not generated)
2021-10-28	ThomRuley	C-PRP	M11646889/11829428152275199 : 6B17A241F255E42A PRP: Verified PRP without proof (not generated)