4 614 487 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
11207738646919770161	20	63.3	2010-05-16 12:51:31

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Sturle Sunde	76AA35790A40BD94	0
Verified (Factored)	1998-03-31	Charles Villa	76AA35790A40BD94	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	A73FA86CAA735839	1	0	1	3
Verified	2018-02-27	trebor	A73FA86CAA735839	1	65313	1	3

History

Date	User	Type	Result
2023-03-16	USAFSS	NF-PM1	B1=240000, B2=119048790
2018-02-27	trebor	C-PRP	M4614487/11207738646919770161 : A73FA86CAA735839 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4614487/11207738646919770161 : A73FA86CAA735839 PRP: Verified PRP without proof (not generated)
2010-05-16	alan145	F-ECM	Factor: 11207738646919770161
2009-08-18	Carsten Kossendey	NF-PM1	B1=25000, B2=375000