11 275 783 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
21491642399	11	34.3	old
327424454816282767	18	58.2	2015-08-17 11:12:19

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-06-24	ThomRuley	B18D486B6A92EF25	2	8037093	1	3
Verified	2021-06-26	Chad Steenerson	B18D486B6A92EF25	2	5294446	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=130455780
2021-06-26	Chad Steenerson	C-PRP	M11275783/21491642399/327424454816282767 : B18D486B6A92EF25 PRP: Verified PRP without proof (not generated)
2021-06-24	ThomRuley	C-PRP	M11275783/21491642399/327424454816282767 : B18D486B6A92EF25 PRP: Verified PRP without proof (not generated)
2015-08-17	TJAOI	F	Factor: 327424454816282767 / TF: 58-59