2 180 701 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
1758173690789039	16	50.6	old
225320416059603637991	21	67.6	2022-10-19 18:58:34

ECM

Digits	B1	Curves
25	50000	100 / 280

Estimated T-Level: 21.8 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-09	Oliver Kruse	2D8AFFE9E53D113C	1	0	1	3
Verified (Factored)	2017-11-19	kkmrkkblmbrbk	2D8AFFE9E53D113C	1	687458	1	3
Verified	2022-10-19	Kevin_9611	9F756347CB51A546	2	2130553	5	3

History

Date	User	Type	Result
2022-10-19	Ben Delo	CERT	PRP Certification Proof certified good
2022-10-19	Kevin_9611	C-PRP	M2180701/1758173690789039/225320416059603637991 : 9F756347CB51A546 PRP proof power = 7 PRP: Verified Proof certified good
2022-10-19	_p95holder_	F-ECM	Factor: 225320416059603637991 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-19	kkmrkkblmbrbk	C-PRP	M2180701/1758173690789039 : 2D8AFFE9E53D113C PRP: Verified (Factored) PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2180701/1758173690789039 : 2D8AFFE9E53D113C PRP: Verified (Factored) PRP without proof (not generated)
2016-03-21	alpertron	NF-PM1	B1=500000, B2=15000000, E=12