2 530 597 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
6285942213673	13	42.5	old
56404014349127042134361534090204829230713	41	135.4	2018-11-30 06:49:22

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)	2017-10-14	Oliver Kruse	69944BE6C7796DAD	1	398129	5	3
Verified (Factored)	2017-12-01	kkmrkkblmbrbk	69944BE6C7796DAD	1	2214699	5	3
Verified	2018-12-02	Oliver Kruse	69944BE6C7796DAD	2	444186	5	3

P-1 factors

Date	Factor	B1	B2
2018-11-30	56404014349127042134361534090204829230713	2000000	60000000

History

Date	User	Type	Result
2018-12-02	Oliver Kruse	C-PRP	M2530597/6285942213673/56404014349127042134361534090204829230713 : 69944BE6C7796DAD PRP: Verified PRP without proof (not generated)
2018-11-30	alpertron	F-PM1	Factor: 56404014349127042134361534090204829230713 / (P-1, B1=2000000, B2=60000000, E=12)
2017-12-01	kkmrkkblmbrbk	C-PRP	M2530597/6285942213673 : 69944BE6C7796DAD PRP: Verified PRP without proof (not generated)
2017-10-14	Oliver Kruse	C-PRP	M2530597/6285942213673 : 69944BE6C7796DAD PRP: Verified PRP without proof (not generated)