2 137 697 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
1136665840891657913	19	60.0	old
27498139270545223861439	23	74.5	2022-01-20 18:10:23

ECM

Digits	B1	Curves
25	50000	101 / 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	Shift
Verified (Factored)		Robert Friberg	0C46188FF6E46EAE	0
Verified (Factored)	1999-02-07	David Alber	0C46188FF6E46EAE	537270

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-08	Oliver Kruse	5C676B4FA1E10C8D	1	0	1	3
Verified (Factored)	2017-11-18	kkmrkkblmbrbk	5C676B4FA1E10C8D	1	497366	1	3
Verified	2022-01-20	SRJ2877	ECEE44A1DEB6B26C	2	435773	5	3

History

Date	User	Type	Result
2022-01-20	Ben Delo	CERT	PRP Certification Proof certified good
2022-01-20	SRJ2877	C-PRP	M2137697/1136665840891657913/27498139270545223861439 : ECEE44A1DEB6B26C PRP proof power = 7 PRP: Verified Proof certified good
2022-01-20	MarkS	F-ECM	Factor: 27498139270545223861439 / (ECM curve 2, B1=50000, B2=5000000, Sigma=4031902225924323)
2017-11-18	kkmrkkblmbrbk	C-PRP	M2137697/1136665840891657913 : 5C676B4FA1E10C8D PRP: Verified (Factored) PRP without proof (not generated)
2017-10-08	Oliver Kruse	C-PRP	M2137697/1136665840891657913 : 5C676B4FA1E10C8D PRP: Verified (Factored) PRP without proof (not generated)
2016-03-26	alpertron	NF-PM1	B1=500000, B2=15000000, E=12