2 796 043 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
3241517194120097591	19	61.5	2010-10-07 19:14:14

ECM

Digits	B1	Curves
25	50000	5 / 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)	1998-07-11	John P. Knight	FA9C661AC8320B5E	0
Verified (Factored)	1999-08-22	Lou Giacalone	FA9C661AC8320B5E	2284019

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-21	Oliver Kruse	737C32E5D528A6E4	1	228904	5	3
Verified	2017-12-06	kkmrkkblmbrbk	737C32E5D528A6E4	1	2147870	5	3

History

Date	User	Type	Result
2023-01-29	USAFSS	NF-PM1	B1=360000, B2=287380170
2022-03-11	LordJulius	NF	no factor from 2^1 to 2^60
2017-12-06	kkmrkkblmbrbk	C-PRP	M2796043/3241517194120097591 : 737C32E5D528A6E4 PRP: Verified PRP without proof (not generated)
2017-10-21	Oliver Kruse	C-PRP	M2796043/3241517194120097591 : 737C32E5D528A6E4 PRP: Verified PRP without proof (not generated)
2010-10-07	James Classen	F-ECM	Factor: 3241517194120097591
2009-02-14	Sturle Sunde	NF	no factor from 2^60 to 2^61