2 458 451 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
5400437837631631	16	52.3	old
34874142043155959809	20	64.9	2018-02-27 19:39:53

ECM

Digits	B1	Curves
25	50000	59 / 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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-13	Oliver Kruse	ECDE91CE48D450BB	1	563559	5	3
Verified (Factored)	2017-11-28	kkmrkkblmbrbk	ECDE91CE48D450BB	1	606388	5	3
Verified	2018-03-06	Oliver Kruse	ECDE91CE48D450BB	2	785810	5	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2018-03-06	Oliver Kruse	C-PRP	M2458451/5400437837631631/34874142043155959809 : ECDE91CE48D450BB PRP: Verified PRP without proof (not generated)
2018-02-27	alpertron	F-ECM	Factor: 34874142043155959809 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-28	kkmrkkblmbrbk	C-PRP	M2458451/5400437837631631 : ECDE91CE48D450BB PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2458451/5400437837631631 : ECDE91CE48D450BB PRP: Verified PRP without proof (not generated)