6 361 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
404816368127	12	38.6	old
2169870252318063137	19	60.9	old
468366730522227935807	21	68.7	old
46474926955338819293975401031	29	95.2	old
1509960892158539170114369921415306057	37	120.2	2021-03-25 11:35:12

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1291 / 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 (Factored)	2017-09-21	Oliver Kruse	1675A882BF363258	4	0	1	3
Verified (Factored)	2017-10-02	kkmrkkblmbrbk	1675A882BF363258	4	0	1	3
Verified (Factored)	2017-12-07	ATH	1675A882BF363258	4	932	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	4679CB95E27404E0	4	5382	5	3
Verified	2021-03-25	mnd9	4679CB95E27404E0	5	4284	5	3
Verified	2021-03-28	Joe S.	4679CB95E27404E0	5	2270	5	3

History

Date	User	Type	Result
2023-08-05	-Anonymous-	NF-PM1	B1=39000000000, B2=163105468633407300
2021-08-02	ViliamF	NF-PM1	B1=500000000, B2=90500000000
2021-03-28	Joe S.	C-PRP	M6361/404816368127/2169870252318063137/468366730522227935807/46474926955338819293975401031/1509960892158539170114369921415306057 : 4679CB95E27404E0 PRP: Verified PRP without proof (small exponent)
2021-03-25	mnd9	C-PRP	M6361/404816368127/2169870252318063137/468366730522227935807/46474926955338819293975401031/1509960892158539170114369921415306057 : 4679CB95E27404E0 PRP: Verified PRP without proof (small exponent)
2021-03-25	Ryan Propper	F-ECM	Factor: 1509960892158539170114369921415306057 / (ECM curve 1, B1=43000000, B2=198654756318, Sigma=6632632206909616920)
2020-04-17	Oliver Kruse	C-PRP	M6361/404816368127/2169870252318063137/468366730522227935807/46474926955338819293975401031 : 4679CB95E27404E0 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M6361/404816368127/2169870252318063137/468366730522227935807/46474926955338819293975401031 : 1675A882BF363258 PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M6361/404816368127/2169870252318063137/468366730522227935807/46474926955338819293975401031 : 1675A882BF363258 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M6361/known_factors : 1675A882BF363258 PRP without proof (not generated)