2 509 519 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
52163042652097146799	20	65.5	2012-08-25 01:15:28

ECM

Digits	B1	Curves
25	50000	150 / 280

Estimated T-Level: 22.7 ⓘ

TF below 2^70 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored		William H. Erskine	8DED7F2ED2DAFF82	0	Windows,Prime95,v13,(aka WP1)
Factored	1999-06-15	Jan Braconnier	8DED7F2ED2DAFF82	259319	Windows,Prime95,v17,(aka WT1)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-14	Oliver Kruse	1716D1119FED7EA8	1	343785	5	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	1716D1119FED7EA8	1	1604956	5	3

History

Date	User	Type	Result
2023-01-28	USAFSS	NF-PM1	B1=288000, B2=290589390
2022-03-10	LordJulius	NF	no factor TF: 1-60
2017-11-30	storm5510	C-PRP	M2509519/52163042652097146799 : 1716D1119FED7EA8
2017-10-14	Oliver Kruse	C-PRP	M2509519/52163042652097146799 : 1716D1119FED7EA8
2012-08-25	Andriy Makukha	F-ECM	Factor: 52163042652097146799
2012-06-12	Sebastian Hornbostel	NF	no factor TF: 61-62
2011-10-03	markr	NF-PM1	B1=165000, B2=3918750, E=6
2011-01-04	Joss	NF-PM1	B1=50000
2011-01-01	Joss	NF-PM1	B1=30000
2010-12-16	Joss	NF-PM1	B1=20000
2009-02-07	Sturle Sunde	NF	no factor TF: 60-61
2003-10-31	Team Prime Rib	NF-PM1	B1=15000, B2=236250
2003-10-23	-anonymous-	NF-PM1	B1=2048, B2=204800
1999-07-30	-anonymous-	C-LL	8DED7F2ED2DAFF82
1999-06-15	-anonymous-	C-LL	8DED7F2ED2DAFF82
1999-03-15	-anonymous-	NF	no factor TF: 1-59