8 021 869 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
2341596256935423506713	22	71.0	2013-04-08 04:46:23

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)	1999-09-22	Gonzalo Mena-Mendoza	213F2A1B133AF213	7111914
Verified (Factored)	2002-07-20	Xavier van Unen	213F2A1B133AF213	3599958

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-11	_p95holder_	0ED7709A9D9A3213	1	6052297	5	3
Verified	2020-01-05	GAN	0ED7709A9D9A3213	1	1131330	5	3

History

Date	User	Type	Result
2020-01-05	GAN	C-PRP	M8021869/2341596256935423506713 : 0ED7709A9D9A3213 PRP: Verified PRP without proof (not generated)
2018-07-11	_p95holder_	C-PRP	M8021869/2341596256935423506713 : 0ED7709A9D9A3213 PRP: Verified PRP without proof (not generated)
2013-04-08	Torchwood Institute	F-ECM	Factor: 2341596256935423506713
2011-06-22	kurly	NF-PM1	B1=215000, B2=5267500, E=6