11 275 837 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
425242032513161	15	48.6	old
34366229989053497	17	54.9	2014-12-25 12:27:38

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-06-28	ThomRuley	9A280CCEC418362B	2	4390182	1	3
Verified	2021-06-28	ATH	9A280CCEC418362B	2	3665509	1	3

History

Date	User	Type	Result
2025-06-23	vsh	NF	no factor from 2^71 to 2^72
2025-06-18	vsh	NF-PM1	B1=10000000, B2=20021278200
2025-04-08	vsh	NF	no factor from 2^70 to 2^71
2025-03-16	vsh	NF	no factor from 2^69 to 2^70
2025-02-10	vsh	NF	no factor from 2^68 to 2^69
2024-06-24	vsh	NF-PM1	B1=312500, B2=128206260
2021-06-28	ATH	C-PRP	M11275837/425242032513161/34366229989053497 : 9A280CCEC418362B PRP: Verified PRP without proof (not generated)
2021-06-28	ThomRuley	C-PRP	M11275837/425242032513161/34366229989053497 : 9A280CCEC418362B PRP: Verified PRP without proof (not generated)
2014-12-25	TJAOI	F	Factor: 34366229989053497 / TF: 54-55