3 250 421 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7241082373179329	16	52.7	old

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-02	Oliver Kruse	836F00C539AB644D	1	1818325	5	3
Verified	2017-12-13	kkmrkkblmbrbk	836F00C539AB644D	1	607606	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1083473, B2=226749600
2022-01-24	Joss	NF-PM1	B1=1083473, B2=119912100
2021-07-10	Joss	NF	no factor from 2^67 to 2^68
2021-01-16	Joss	NF-PM1	B1=325042, B2=3250421, E=6
2020-12-25	Joss	NF-PM1	B1=108347
2017-12-13	kkmrkkblmbrbk	C-PRP	M3250421/7241082373179329 : 836F00C539AB644D PRP: Verified PRP without proof (not generated)
2017-11-02	Oliver Kruse	C-PRP	M3250421/7241082373179329 : 836F00C539AB644D PRP: Verified PRP without proof (not generated)