11 471 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
22943	5	14.5	old
144075761	9	27.1	2008-08-26 19:58:35
48126649327	11	35.5	2008-08-26 19:58:35
101276352838745570545702111951	30	96.4	2009-07-13 06:03:52

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1290 / 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	229B0F20503EC5FC	4	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	229B0F20503EC5FC	4	0	1	3
Verified	2017-12-07	ATH	229B0F20503EC5FC	4	6412	1	3
Unverified	2020-04-17	Oliver Kruse	EBABE879DA7150__	4	4820	5	3
Verified (Factored)	2022-05-12	Jorge Coveiro	EBABE879DA715004	1	7001	5	3

P-1 factors

Date	Factor	B1	B2
2023-01-20	101276352838745570545702111951	100000000000	122192573512709696

History

Date	User	Type	Result
2023-01-20	-Anonymous-	F-PM1	Factor: 101276352838745570545702111951 / (P-1, B1=100000000000, B2=122192573512709700)
2022-05-12	Jorge Coveiro	C-PRP	M11471/22943 : EBABE879DA715004 PRP: Verified (Factored) PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M11471/22943/144075761/48126649327/101276352838745570545702111951 : EBABE879DA715004 PRP: Verified (Factored) PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M11471/22943/144075761/48126649327/101276352838745570545702111951 : 229B0F20503EC5FC PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M11471/22943/144075761/48126649327/101276352838745570545702111951 : 229B0F20503EC5FC PRP: Verified (Factored) PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M11471/22943/144075761/48126649327/101276352838745570545702111951 : 229B0F20503EC5FC PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2009-07-13	Rob_Dee	F-ECM	Factor: 101276352838745570545702111951
2008-08-26	-Anonymous-	F	Factor: 48126649327
2008-08-26	-Anonymous-	F	Factor: 144075761