2 311 667 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
41610007	8	25.3	old
2476590570449	13	41.2	2008-07-14 20:22:56
33081071989414433	17	54.9	2014-12-20 12:17:07
54032580837514478527	20	65.6	2018-02-02 04:55:49

ECM

Digits	B1	Curves
25	50000	81 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	Oliver Kruse	17D75421853C3A5F	1	0	1	3
Verified (Factored)	2017-10-18	Oliver Kruse	19BBA5642693ECFB	3	943398	5	3
Verified (Factored)	2017-11-23	kkmrkkblmbrbk	19BBA5642693ECFB	3	1193189	5	3
Verified	2018-02-04	Hazar Temizel	19BBA5642693ECFB	4	1131565	5	3
Verified	2018-02-05	AdolfNor	19BBA5642693ECFB	4	2056443	5	3

History

Date	User	Type	Result
2021-05-06	ViliamF	NF-PM1	B1=5000000, B2=305000000
2018-02-26	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2018-02-05	AdolfNor	C-PRP	M2311667/41610007/2476590570449/33081071989414433/54032580837514478527 : 19BBA5642693ECFB PRP: Verified PRP without proof (not generated)
2018-02-04	Hazar Temizel	C-PRP	M2311667/41610007/2476590570449/33081071989414433/54032580837514478527 : 19BBA5642693ECFB PRP: Verified PRP without proof (not generated)
2018-02-02	ATH	F-ECM	Factor: 54032580837514478527 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-23	kkmrkkblmbrbk	C-PRP	M2311667/41610007/2476590570449/33081071989414433 : 19BBA5642693ECFB PRP: Verified PRP without proof (not generated)
2017-10-18	Oliver Kruse	C-PRP	M2311667/41610007/2476590570449/33081071989414433 : 19BBA5642693ECFB PRP: Verified PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2311667/known_factors : 17D75421853C3A5F PRP: Verified PRP without proof (not generated)
2014-12-20	TJAOI	F	Factor: 33081071989414433 / TF: 54-55
2008-07-14	George Woltman	F-ECM	Factor: 2476590570449