3 459 641 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
12439162888577892241	20	63.4	2009-07-12 03:43:10

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)		Rich Harms	3F42D7046D5C3355	0
Verified (Factored)	1999-07-12	Steve Calkins	3F42D7046D5C3355	1763585

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-07	Oliver Kruse	525DA4B9C404B5C7	1	200931	5	3
Verified	2017-12-16	kkmrkkblmbrbk	525DA4B9C404B5C7	1	1746887	5	3

History

Date	User	Type	Result
2022-08-15	Joss	NF-PM1	B1=3459641, B2=3501597330
2022-05-12	LordJulius	NF	no factor from 2^64 to 2^65
2022-05-12	LordJulius	NF	no factor from 2^62 to 2^63
2022-05-12	LordJulius	NF	no factor from 2^1 to 2^62
2021-12-21	Joss	NF-PM1	B1=3459641, B2=112173600
2021-08-04	Joss	NF-PM1	B1=3459641, B2=6919282, E=6
2021-06-13	Joss	NF	no factor from 2^67 to 2^68
2021-06-13	Joss	NF-PM1	B1=3459641
2021-03-18	Joss	NF	no factor from 2^66 to 2^67
2021-03-18	Joss	NF-PM1	B1=345964, B2=3459641, E=6
2021-02-28	Joss	NF	no factor from 2^65 to 2^66
2017-12-16	kkmrkkblmbrbk	C-PRP	M3459641/12439162888577892241 : 525DA4B9C404B5C7 PRP: Verified PRP without proof (not generated)
2017-11-07	Oliver Kruse	C-PRP	M3459641/12439162888577892241 : 525DA4B9C404B5C7 PRP: Verified PRP without proof (not generated)
2009-07-12	Sid & Andy	F-ECM	Factor: 12439162888577892241
2009-07-06	Carsten Kossendey	NF-PM1	B1=20000, B2=235000
2009-03-21	S485122	NF	no factor from 2^60 to 2^61