14 629 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
15323199855463	14	43.8	old
1683781712810790121	19	60.5	2008-08-29 02:24:35

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1700 / 9201

Estimated T-Level: 40.9 ⓘ

TF below 2^131 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	7E7C45D9B12023D3	2	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	7E7C45D9B12023D3	2	11236	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	14BB47F2D37DA464	2	12732	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	14BB47F2D37DA464	2	8678	5	3

History

Date	User	Type	Result
2025-02-06	masser	NF-PP1	Start=106/23, B1=355000000, B2=354645000000
2025-02-06	masser	NF-PP1	Start=2/7, B1=355000000, B2=354645000000
2025-01-17	masser	NF-PP1	Start=6/5, B1=355000000, B2=354645000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M14629/15323199855463/1683781712810790121 : 14BB47F2D37DA464
2024-03-07	-anonymous-	NF-PM1	B1=100000000000, B2=122154521813133810
2023-05-25	JacobZ	NF-PM1	B1=7400000000, B2=32522539163164050
2021-08-01	ViliamF	NF-PM1	B1=250000000, B2=42750000000
2020-04-17	Oliver Kruse	C-PRP	M14629/15323199855463/1683781712810790121 : 14BB47F2D37DA464
2017-10-12	kkmrkkblmbrbk	C-PRP	M14629/15323199855463/1683781712810790121 : 7E7C45D9B12023D3
2017-09-21	Oliver Kruse	C-PRP	M14629/15323199855463/1683781712810790121 : 7E7C45D9B12023D3
2017-09-21	Oliver Kruse	C-PRP	M14629/15323199855463/1683781712810790121 : 7E7C45D9B12023D3
2008-08-29	-anonymous-	F-ECM	Factor: 1683781712810790121