3 353 477 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
97245626955040884679	20	66.4	2009-06-25 21:26:38

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	Shift
Verified (Factored)	1998-06-01	Jeff Bisping	188650E97498EB2D	0
Verified (Factored)	2001-02-11	Otto Bruggeman	188650E97498EB2D	2378598

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-04	kkmrkkblmbrbk	4D4537D1FBAB87E3	1	1244886	5	3
Verified	2017-11-20	Oliver Kruse	4D4537D1FBAB87E3	1	2468754	5	3

History

Date	User	Type	Result
2022-09-06	Joss	NF-PM1	B1=1117825, B2=226749600
2022-04-23	LordJulius	NF	no factor from 2^65 to 2^66
2022-04-23	LordJulius	NF	no factor from 2^64 to 2^65
2022-04-23	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-23	LordJulius	NF	no factor from 2^62 to 2^63
2022-04-23	LordJulius	NF	no factor from 2^1 to 2^62
2022-01-09	Joss	NF-PM1	B1=1117825, B2=119912100
2021-05-14	Joss	NF	no factor from 2^67 to 2^68
2021-03-11	Joss	NF-PM1	B1=335347, B2=3688824, E=6
2017-11-20	Oliver Kruse	C-PRP	M3353477/97245626955040884679 : 4D4537D1FBAB87E3 PRP: Verified PRP without proof (not generated)
2017-11-04	kkmrkkblmbrbk	C-PRP	M3353477/97245626955040884679 : 4D4537D1FBAB87E3 PRP: Verified PRP without proof (not generated)
2009-06-25	Aca Arsov	F-ECM	Factor: 97245626955040884679
2009-03-29	S485122	NF	no factor from 2^60 to 2^61