2 239 687 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
1931362728833	13	40.8	old
1695676822168287653599	22	70.5	2022-11-27 03:00:48

ECM

Digits	B1	Curves
25	50000	94 / 280

Estimated T-Level: 21.7 ⓘ

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)	2017-10-10	Oliver Kruse	F5A3C3D9993E7C98	1	0	1	3
Verified (Factored)	2017-11-20	kkmrkkblmbrbk	F5A3C3D9993E7C98	1	1681459	1	3
Verified	2022-11-28	LordJulius	7C7105641EB24F20	2	437538	5	3
Verified	2022-11-28	suika_predator	7C7105641EB24F20	2	1011926	5	3

History

Date	User	Type	Result
2022-11-29	curtisc	CERT	PRP Certification Proof certified good
2022-11-28	suika_predator	C-PRP	M2239687/1931362728833/1695676822168287653599 : 7C7105641EB24F20 PRP proof power = 7 PRP: Verified Proof certified good
2022-11-28	curtisc	CERT	PRP Certification Proof certified good
2022-11-28	LordJulius	C-PRP	M2239687/1931362728833/1695676822168287653599 : 7C7105641EB24F20 PRP proof power = 7 PRP: Verified Proof certified good
2022-11-27	_p95holder_	F-ECM	Factor: 1695676822168287653599 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-20	kkmrkkblmbrbk	C-PRP	M2239687/1931362728833 : F5A3C3D9993E7C98 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-10	Oliver Kruse	C-PRP	M2239687/1931362728833 : F5A3C3D9993E7C98 PRP: Verified (Factored) PRP without proof (not generated)
2016-04-23	alpertron	NF-PM1	B1=500000, B2=15000000, E=12