3 511 667 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
28093337	8	24.7	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	2017-11-07	kkmrkkblmbrbk	B57C3172C0E9836F	1	398490	5	3
Verified	2017-11-24	Oliver Kruse	B57C3172C0E9836F	1	2558785	5	3

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=233218440
2022-04-18	Joss	NF-PM1	B1=1000000, B2=145208700
2022-01-31	Joss	NF	no factor from 2^67 to 2^68
2020-10-11	Joss	NF-PM1	B1=351166, B2=3511667, E=6
2017-11-24	Oliver Kruse	C-PRP	M3511667/28093337 : B57C3172C0E9836F PRP: Verified PRP without proof (not generated)
2017-11-07	kkmrkkblmbrbk	C-PRP	M3511667/28093337 : B57C3172C0E9836F PRP: Verified PRP without proof (not generated)