2 170 213 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
14261484247244712590311	23	73.6	2016-03-07 18:39:10
5799376063194183041728759	25	82.3	2009-12-03 16:03:39

ECM

Digits	B1	Curves
25	50000	130 / 280

Estimated T-Level: 22.3 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1997-12-04	Kevin Kennedy	E2F9B04F4AE75BDF	0
Verified (Factored)	1999-02-21	John Perrin	E2F9B04F4AE75BDF	2038881

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-09	Oliver Kruse	286CF6FD2E1AB5D3	1	0	1	3
Verified	2017-10-17	Oliver Kruse	46A1B6455ED8EC3D	2	815811	5	3
Verified	2017-11-19	kkmrkkblmbrbk	46A1B6455ED8EC3D	2	1837340	5	3

P-1 factors

Date	Factor	B1	B2
2016-03-07	14261484247244712590311	500000	15000000

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-19	kkmrkkblmbrbk	C-PRP	M2170213/5799376063194183041728759/14261484247244712590311 : 46A1B6455ED8EC3D PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M2170213/5799376063194183041728759/14261484247244712590311 : 46A1B6455ED8EC3D PRP: Verified PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2170213/5799376063194183041728759/14261484247244712590311 : 286CF6FD2E1AB5D3 PRP: Verified PRP without proof (not generated)
2016-03-07	alpertron	F-PM1	Factor: 14261484247244712590311 / (P-1, B1=500000, B2=15000000, E=12)
2009-12-03	SubPrime	F-ECM	Factor: 5799376063194183041728759
2009-01-07	Sturle Sunde	NF	no factor from 2^61 to 2^62
2009-01-04	Sturle Sunde	NF	no factor from 2^60 to 2^61