244 837 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
191952209	9	27.5	old
34956238390352159	17	55.0	2014-08-15 10:43:34
8517646877891254795018123001	28	92.8	2020-03-18 16:57:16

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	200 / 1566

Estimated T-Level: 30.6 ⓘ

TF below 2^97 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	3C97F06EFFFE94C1	2	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	3C97F06EFFFE94C1	2	57859	1	3
Verified	2020-03-19	ANONYMOUS	CF5C1DFB47B6A5B6	3	81303	5	3
Verified	2020-03-21	fre_games	CF5C1DFB47B6A5B6	3	16632	5	3

History

Date	User	Type	Result
2022-04-12	Oliver Kruse	NF-PM1	B1=30000000, B2=10120247026890
2021-07-27	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000, E=24
2020-03-21	fre_games	C-PRP	M244837/191952209/34956238390352159/8517646877891254795018123001 : CF5C1DFB47B6A5B6 PRP: Verified PRP without proof (small exponent)
2020-03-19	ANONYMOUS	C-PRP	M244837/191952209/34956238390352159/8517646877891254795018123001 : CF5C1DFB47B6A5B6 PRP: Verified PRP without proof (small exponent)
2020-03-18	Niels_Mache_Nextcloud	F-ECM	Factor: 8517646877891254795018123001 / (ECM curve 2, B1=250000, B2=25000000, Sigma=8252069039628321)
2017-10-12	kkmrkkblmbrbk	C-PRP	M244837/191952209/34956238390352159 : 3C97F06EFFFE94C1 PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M244837/191952209/34956238390352159 : 3C97F06EFFFE94C1 PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M244837/191952209/34956238390352159 : 3C97F06EFFFE94C1 PRP without proof (not generated)
2014-08-15	TJAOI	F	Factor: 34956238390352159