2 433 967 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
5880464273	10	32.5	old
295648480460449	15	48.1	2008-09-07 10:05:55
18075979221954372880081	23	73.9	2018-08-14 03:42:42

ECM

Digits	B1	Curves
25	50000	57 / 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)	2017-10-13	Oliver Kruse	215E30C45F946BA0	2	90811	5	3
Verified (Factored)	2017-11-27	kkmrkkblmbrbk	215E30C45F946BA0	2	78506	5	3
Verified	2018-08-15	Oliver Kruse	215E30C45F946BA0	3	2105178	5	3

P-1 factors

Date	Factor	B1	B2
2018-08-14	18075979221954372880081	2000000	0

History

Date	User	Type	Result
2022-08-26	USAFSS	NF-PM1	B1=600000, B2=577075590
2018-08-15	Oliver Kruse	C-PRP	M2433967/5880464273/295648480460449/18075979221954372880081 : 215E30C45F946BA0 PRP: Verified PRP without proof (not generated)
2018-08-14	alpertron	F-PM1	Factor: 18075979221954372880081 / (P-1, B1=2000000)
2017-11-27	kkmrkkblmbrbk	C-PRP	M2433967/5880464273/295648480460449 : 215E30C45F946BA0 PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2433967/5880464273/295648480460449 : 215E30C45F946BA0 PRP: Verified PRP without proof (not generated)
2008-09-07	Will Edgington	F	Factor: 295648480460449