2 045 377 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
971652253097	12	39.8	old
464329795448655430297	21	68.7	2022-08-06 06:59:01

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	153 / 640

Estimated T-Level: 26.2 ⓘ

TF below 2^82 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	3C7A37D786B2C992	1	0	1	3
Verified (Factored)	2017-11-15	kkmrkkblmbrbk	3C7A37D786B2C992	1	771773	1	3
Verified	2022-08-07	Wentao Huang	3C517658C8A203DC	2	376258	5	3
Verified	2022-08-07	_p95holder_	3C517658C8A203DC	2	247784	5	3

History

Date	User	Type	Result
2022-08-07	_p95holder_	C-PRP	M2045377/971652253097/464329795448655430297 : 3C517658C8A203DC PRP: Verified PRP without proof (not generated)
2022-08-07	tottenhoff	CERT	PRP Certification Proof certified good
2022-08-07	Wentao Huang	C-PRP	M2045377/971652253097/464329795448655430297 : 3C517658C8A203DC PRP proof power = 7 PRP: Verified Proof certified good
2022-08-06	_p95holder_	F-ECM	Factor: 464329795448655430297 / (ECM curve 7, B1=50000, B2=5000000)
2017-11-15	kkmrkkblmbrbk	C-PRP	M2045377/971652253097 : 3C7A37D786B2C992 PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2045377/971652253097 : 3C7A37D786B2C992 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12