3 196 759 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
591221396497	12	39.1	old

ECM

Digits	B1	Curves
25	50000	107 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-01	Oliver Kruse	470BB5535E32509B	1	2587287	5	3
Verified	2017-12-13	kkmrkkblmbrbk	470BB5535E32509B	1	3122421	5	3

History

Date	User	Type	Result
2022-09-12	Joss	NF-PM1	B1=1000000, B2=241175550
2022-03-10	Joss	NF-PM1	B1=1000000, B2=134343300
2021-04-27	Joss	NF	no factor from 2^67 to 2^68
2021-01-09	Joss	NF-PM1	B1=319675, B2=3196759, E=6
2021-01-09	Joss	NF-PM1	B1=319675
2021-01-02	Joss	NF-PM1	B1=159837
2017-12-13	kkmrkkblmbrbk	C-PRP	M3196759/591221396497 : 470BB5535E32509B PRP: Verified PRP without proof (not generated)
2017-11-01	Oliver Kruse	C-PRP	M3196759/591221396497 : 470BB5535E32509B PRP: Verified PRP without proof (not generated)