2 425 751 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
26388919141693839631	20	64.5	2010-12-18 07:28:43

ECM

Digits	B1	Curves
25	50000	61 / 280

Estimated T-Level: 21.1 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Lars Sözüer	D54CD9FD61E8AE91	0
Verified (Factored)	1999-05-30	Trevor Green	D54CD9FD61E8AE91	265437

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-13	Oliver Kruse	E79F6873D12BAC6C	1	1406934	5	3
Verified	2017-11-27	kkmrkkblmbrbk	E79F6873D12BAC6C	1	2307144	5	3

History

Date	User	Type	Result
2022-03-10	LordJulius	NF	no factor from 2^1 to 2^60
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-27	kkmrkkblmbrbk	C-PRP	M2425751/26388919141693839631 : E79F6873D12BAC6C PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2425751/26388919141693839631 : E79F6873D12BAC6C PRP: Verified PRP without proof (not generated)
2010-12-18	markr	F-PM1	Factor: 26388919141693839631
2010-11-17	Joss	NF-PM1	B1=20000
2010-11-10	Joss	NF-PM1	B1=15000
2009-01-16	Sturle Sunde	NF	no factor from 2^60 to 2^61