2 822 579 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
50806423	8	25.6	old
501680872039243413161	21	68.8	2018-05-16 01:49:12

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-22	Oliver Kruse	94680F6590F2BA95	1	514672	5	3
Verified (Factored)	2017-12-07	kkmrkkblmbrbk	94680F6590F2BA95	1	420857	5	3
Verified	2018-05-16	Oliver Kruse	94680F6590F2BA95	2	2052909	5	3

History

Date	User	Type	Result
2022-08-25	USAFSS	NF-PM1	B1=360000, B2=287380170
2018-05-16	Oliver Kruse	C-PRP	M2822579/50806423/501680872039243413161 : 94680F6590F2BA95 PRP: Verified PRP without proof (not generated)
2018-05-16	ATH	F-ECM	Factor: 501680872039243413161 / (ECM curve 2, B1=50000, B2=5000000)
2017-12-07	kkmrkkblmbrbk	C-PRP	M2822579/50806423 : 94680F6590F2BA95 PRP: Verified PRP without proof (not generated)
2017-10-22	Oliver Kruse	C-PRP	M2822579/50806423 : 94680F6590F2BA95 PRP: Verified PRP without proof (not generated)