2 044 421 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
4738967879	10	32.1	old
432519908435197395017	21	68.6	2022-10-06 17:02:21

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	128 / 640

Estimated T-Level: 26.0 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	AB910FAE3D0416F3	1	0	1	3
Verified (Factored)	2017-11-15	kkmrkkblmbrbk	AB910FAE3D0416F3	1	1459398	1	3
Verified	2022-10-08	_p95holder_	519CB9C90F83F5E2	2	1252136	5	3
Verified	2022-10-14	kracker	519CB9C90F83F5E2	2	1131829	5	3

History

Date	User	Type	Result
2022-10-14	kracker	C-PRP	M2044421/4738967879/432519908435197395017 : 519CB9C90F83F5E2 PRP: Verified PRP without proof (not generated)
2022-10-08	_p95holder_	C-PRP	M2044421/4738967879/432519908435197395017 : 519CB9C90F83F5E2 PRP: Verified PRP without proof (not generated)
2022-10-06	_p95holder_	F-ECM	Factor: 432519908435197395017 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-15	kkmrkkblmbrbk	C-PRP	M2044421/4738967879 : AB910FAE3D0416F3 PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2044421/4738967879 : AB910FAE3D0416F3 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12