2 596 637 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
3256182799	10	31.6	old
75621218396133792415483201	26	86.0	2019-01-31 00:17:10

ECM

Digits	B1	Curves
25	50000	58 / 280

Estimated T-Level: 21.0 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-15	Oliver Kruse	F54733407DC2CC81	1	2495524	5	3
Verified (Factored)	2017-12-02	storm5510	F54733407DC2CC81	1	1923907	5	3
Verified	2019-01-31	trebor	F54733407DC2CC81	2	615229	5	3

P-1 factors

Date	Factor	B1	B2
2019-01-31	75621218396133792415483201	2000000	60000000

History

Date	User	Type	Result
2019-01-31	trebor	C-PRP	M2596637/3256182799/75621218396133792415483201 : F54733407DC2CC81 PRP: Verified PRP without proof (not generated)
2019-01-31	alpertron	F-PM1	Factor: 75621218396133792415483201 / (P-1, B1=2000000, B2=60000000, E=12)
2017-12-02	storm5510	C-PRP	M2596637/3256182799 : F54733407DC2CC81 PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M2596637/3256182799 : F54733407DC2CC81 PRP: Verified PRP without proof (not generated)