2 292 457 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
772532726220748327	18	59.4	old

ECM

Digits	B1	Curves
25	50000	79 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		King Butler	4AB428F0BD86EC96	0
Verified (Factored)	1999-04-23	Timo	4AB428F0BD86EC96	685399

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-12	kkmrkkblmbrbk	6AEDD55075B40CC2	1	1398874	5	3
Verified	2017-10-30	Oliver Kruse	6AEDD55075B40CC2	1	1996898	5	3

History

Date	User	Type	Result
2017-10-30	Oliver Kruse	C-PRP	M2292457/772532726220748327 : 6AEDD55075B40CC2 PRP: Verified PRP without proof (not generated)
2017-10-12	kkmrkkblmbrbk	C-PRP	M2292457/772532726220748327 : 6AEDD55075B40CC2 PRP: Verified PRP without proof (not generated)
2016-04-23	alpertron	NF-PM1	B1=500000, B2=15000000, E=12