3 698 531 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
7397063	7	22.8	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	2017-09-20	kkmrkkblmbrbk	97E31B1D9DEF89DE	1	0	1	3
Verified	2017-11-30	Oliver Kruse	97E31B1D9DEF89DE	1	1534199	1	3

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=212677920
2022-04-05	Joss	NF-PM1	B1=1000000, B2=147585900
2022-02-11	Joss	NF	no factor from 2^67 to 2^68
2020-11-04	Joss	NF-PM1	B1=400000, B2=7397062, E=6
2017-11-30	Oliver Kruse	C-PRP	M3698531/7397063 : 97E31B1D9DEF89DE PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M3698531/7397063 : 97E31B1D9DEF89DE PRP: Verified PRP without proof (not generated)