10 639 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
427251792503	12	38.6	old
5917004565124273	16	52.4	2008-08-29 02:24:26
2167836528471725569	19	60.9	2008-08-26 19:58:32

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1292 / 9201

Estimated T-Level: 40.7 ⓘ

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	E1B9F761E0A33F3B	3	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	E1B9F761E0A33F3B	3	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	E1B9F761E0A33F3B	3	3578	1	3
Unverified	2020-04-17	Oliver Kruse	8E12E264D3894F__	3	220	5	3

History

Date	User	Type	Result
2022-11-09	-Anonymous-	NF-PM1	B1=100000000000, B2=120443211520241610
2021-08-02	ViliamF	NF-PM1	B1=250000000, B2=40250000000
2020-04-17	Oliver Kruse	C-PRP	M10639/427251792503/5917004565124273/2167836528471725569 : 8E12E264D3894F__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M10639/427251792503/5917004565124273/2167836528471725569 : E1B9F761E0A33F3B PRP without proof (not generated)
2017-10-02	kkmrkkblmbrbk	C-PRP	M10639/427251792503/5917004565124273/2167836528471725569 : E1B9F761E0A33F3B PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M10639/427251792503/2167836528471725569/5917004565124273 : E1B9F761E0A33F3B PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2008-08-29	-Anonymous-	F-PM1	Factor: 5917004565124273
2008-08-26	-Anonymous-	F-ECM	Factor: 2167836528471725569