2 629 093 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
63721413359381377	17	55.8	2011-02-28 13:36:48

ECM

Digits	B1	Curves
25	50000	199 / 280

Estimated T-Level: 23.6 ⓘ

TF below 2^73 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored		Craig Thrower	6C24BD66F1173614	0	Windows,Prime95,v11,(aka WC)
Factored	1999-04-02	David Phillips	6C24BD66F1173614	1735538	Windows,Prime95,v17,(aka WT1)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-17	Oliver Kruse	25417E5F273E1183	1	2273107	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	25417E5F273E1183	1	2423096	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-02	storm5510	C-PRP	M2629093/63721413359381377 : 25417E5F273E1183
2017-10-17	Oliver Kruse	C-PRP	M2629093/63721413359381377 : 25417E5F273E1183
2011-02-28	James Heinrich	F	Factor: 63721413359381377
2011-01-20	Joss	NF-PM1	B1=50000
2010-12-26	Joss	NF-PM1	B1=30000
2010-12-21	Joss	NF-PM1	B1=20000
2009-01-29	Sturle Sunde	NF	no factor TF: 60-61
2003-11-08	Team Prime Rib	NF-PM1	B1=15000, B2=217500
2003-10-31	-anonymous-	NF-PM1	B1=2048, B2=204800
1999-04-02	-anonymous-	C-LL	6C24BD66F1173614
1999-03-26	-anonymous-	NF	no factor TF: 1-59