260 411 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
463014924577	12	38.8	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	421 / 640

Estimated T-Level: 28.3 ⓘ

TF below 2^89 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-22	Oliver Kruse	0CB408E177F65B3C	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	0CB408E177F65B3C	1	102204	1	3
Unverified (Reliable)	2020-04-17	Oliver Kruse	3C2EA274AC0021__	1	57915	5	3

History

Date	User	Type	Result
2022-05-02	Oliver Kruse	NF-PM1	B1=30000000, B2=10035812696910
2021-09-16	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000, E=24
2020-04-17	Oliver Kruse	C-PRP	M260411/463014924577 : 3C2EA274AC0021__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2020-04-06	Daniil Tsarkov	F-ECM	Factor: 463014924577 / (ECM curve 1, B1=250000, B2=25000000)
2017-10-12	kkmrkkblmbrbk	C-PRP	M260411/463014924577 : 0CB408E177F65B3C PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M260411/463014924577 : 0CB408E177F65B3C PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M260411/463014924577 : 0CB408E177F65B3C PRP without proof (not generated)