13 337 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
2027806485940570388159	22	70.8	old
69250798223005863773525113	26	85.8	2008-08-26 19:58:40
14291354321274362416567761526524049	35	113.5	2010-05-27 17:17:49

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1383 / 9201

Estimated T-Level: 40.8 ⓘ

TF below 2^130 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	117AC8712BEDE8E9	3	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	117AC8712BEDE8E9	3	0	1	3
Verified	2017-12-07	ATH	117AC8712BEDE8E9	3	9271	1	3
Unverified	2020-04-17	Oliver Kruse	363E50E1E982B0__	3	4761	5	3

History

Date	User	Type	Result
2023-12-19	-Anonymous-	NF-PM1	B1=100000000000, B2=122154521813133810
2023-05-18	JacobZ	NF-PM1	B1=8200000000, B2=35024272926292650
2022-02-05	Joss	NF-PM1	B1=1000000, B2=3910366209750
2020-04-17	Oliver Kruse	C-PRP	M13337/2027806485940570388159/69250798223005863773525113/14291354321274362416567761526524049 : 363E50E1E982B0__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M13337/2027806485940570388159/69250798223005863773525113/14291354321274362416567761526524049 : 117AC8712BEDE8E9 PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M13337/2027806485940570388159/69250798223005863773525113/14291354321274362416567761526524049 : 117AC8712BEDE8E9 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M13337/known_factors : 117AC8712BEDE8E9 PRP without proof (not generated)
2010-05-27	James Hintz	F-ECM	Factor: 14291354321274362416567761526524049
2008-08-26	-Anonymous-	F-ECM	Factor: 69250798223005863773525113