10 949 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 4 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
153287	6	17.2	old
1472136847	10	30.5	2008-08-26 19:58:33
386153353325663772160710929	27	88.3	2008-08-29 02:24:26
811077410189941216165990103	27	89.4	2008-10-25 20:59:11

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	2420 / 16550

Estimated T-Level: 45.7 ⓘ

TF below 2^147 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	F53D4532E11B82C9	4	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	F53D4532E11B82C9	4	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	F53D4532E11B82C9	4	10150	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	9A2793F01B42E025	4	5787	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	9A2793F01B42E025	4	6403	5	3

History

Date	User	Type	Result
2025-02-22	masser	NF-PP1	Start=139/53, B1=640000000, B2=639360000000
2025-02-14	masser	NF-PP1	Start=6/5, B1=640000000, B2=639360000000
2025-01-26	masser	NF-PP1	Start=2/7, B1=640000000, B2=639360000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M10949/1472136847/153287/386153353325663772160710929/811077410189941216165990103 : 9A2793F01B42E025
2022-12-29	-anonymous-	NF-PM1	B1=100000000000, B2=122192573512709700
2020-04-17	Oliver Kruse	C-PRP	M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : 9A2793F01B42E025
2017-10-12	kkmrkkblmbrbk	C-PRP	M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : F53D4532E11B82C9
2017-10-02	kkmrkkblmbrbk	C-PRP	M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : F53D4532E11B82C9
2017-09-21	Oliver Kruse	C-PRP	M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : F53D4532E11B82C9
2017-09-21	Oliver Kruse	C-PRP	M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : F53D4532E11B82C9
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2008-10-25	Will Edgington	F-ECM	Factor: 811077410189941216165990103
2008-08-29	-anonymous-	F-ECM	Factor: 386153353325663772160710929
2008-08-26	-anonymous-	F	Factor: 1472136847