11 177 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
25774454569153	14	44.6	old
350721168457955528796985520142580297	36	118.1	2018-12-18 23:06:58
10860473669345805192423102649531449367	38	123.0	2010-04-19 15:09:21

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	2521 / 9201

Estimated T-Level: 41.4 ⓘ

TF below 2^132 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2017-09-21	Oliver Kruse	1D97DF61FEFCD885	2	0	1	3
Factored	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	1D97DF61FEFCD885	2	0	1	3
Factored	No proof (small exponent)	2017-12-07	ATH	1D97DF61FEFCD885	2	7734	1	3
Verified	No proof (small exponent)	2018-12-18	Probably_Prime	76830CF7B28EDADC	3	7530	5	3
Verified	No proof (small exponent)	2018-12-21	Oliver Kruse	76830CF7B28EDADC	3	10840	5	3

History

Date	User	Type	Result
2025-02-21	masser	NF-PP1	Start=150/59, B1=640000000, B2=639360000000
2025-02-13	masser	NF-PP1	Start=6/5, B1=640000000, B2=639360000000
2025-01-25	masser	NF-PP1	Start=2/7, B1=640000000, B2=639360000000
2022-12-29	-anonymous-	NF-PM1	B1=100000000000, B2=122192573512709700
2018-12-21	Oliver Kruse	C-PRP	M11177/25774454569153/10860473669345805192423102649531449367/350721168457955528796985520142580297 : 76830CF7B28EDADC
2018-12-18	Probably_Prime	C-PRP	M11177/25774454569153/350721168457955528796985520142580297/10860473669345805192423102649531449367 : 76830CF7B28EDADC
2018-12-18	James Hintz	F-ECM	Factor: 350721168457955528796985520142580297
2017-12-07	ATH	C-PRP	M11177/25774454569153/10860473669345805192423102649531449367 : 1D97DF61FEFCD885
2017-10-02	kkmrkkblmbrbk	C-PRP	M11177/25774454569153/10860473669345805192423102649531449367 : 1D97DF61FEFCD885
2017-09-21	Oliver Kruse	C-PRP	M11177/25774454569153/10860473669345805192423102649531449367 : 1D97DF61FEFCD885
2017-09-21	Oliver Kruse	C-PRP	M11177/25774454569153/10860473669345805192423102649531449367 : 1D97DF61FEFCD885
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=200000000, B2=20000000000, E=12
2010-04-19	James Hintz	F-ECM	Factor: 10860473669345805192423102649531449367