1 465 487 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
461179660412822798801	21	68.6	2014-11-29 00:42:54

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Vincent J. Mooney	BE3D9DC11E260067	0
Verified (Factored)	1999-01-10	Matthew Tadd	BE3D9DC11E260067	21634

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-01	Oliver Kruse	132C62D0726C9CA9	1	0	1	3
Verified	2017-10-28	kkmrkkblmbrbk	132C62D0726C9CA9	1	657757	1	3

History

Date	User	Type	Result
2017-10-28	kkmrkkblmbrbk	C-PRP	M1465487/461179660412822798801 : 132C62D0726C9CA9 PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1465487/461179660412822798801 : 132C62D0726C9CA9 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-11-29	Chang Chia-Tche	F-ECM	Factor: 461179660412822798801 / (ECM curve 1, B1=50000, B2=5000000)
2011-04-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-05-07	Architects Cubed	NF	no factor from 2^60 to 2^61
2009-04-13	axn	NF-PM1	B1=800000, B2=16000000, E=12