2 358 463 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 2⁶²

Factored

Factor	Digits	Bits	Date
14156530843293000559	20	63.6	2010-12-22 11:03:59

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	120 / 640

Estimated T-Level: 25.9 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored		Benet Galceran	6DF55E2BDCA16FAF	0	Windows,Prime95,v14,(aka WQ1)
Factored	1999-06-15	Jan Tichý	6DF55E2BDCA16FAF	1060134	Windows,Prime95,v17,(aka WT1)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-12	Oliver Kruse	A9693520A9BA5999	1	0	1	3
Verified	PRP without proof (not generated)	2017-11-24	storm5510	A9693520A9BA5999	1	861916	1	3

History

Date	User	Type	Result
2018-04-27	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-24	storm5510	C-PRP	M2358463/14156530843293000559 : A9693520A9BA5999
2017-10-12	Oliver Kruse	C-PRP	M2358463/14156530843293000559 : A9693520A9BA5999
2010-12-22	Oscar Östlin	F-PM1	Factor: 14156530843293000559
2010-11-03	Joss	NF-PM1	B1=20000
2009-01-17	Sturle Sunde	NF	no factor TF: 60-61
2003-09-21	-anonymous-	NF-PM1	B1=2048, B2=204800
1999-06-15	-anonymous-	C-LL	6DF55E2BDCA16FAF