9 429 451 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
162093978180126748268369	24	77.1	2014-08-29 07:14:34

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2000-03-08	Letourneau University Science Dept.	09415ED9688C40CD	3016040
Verified (Factored)	2003-09-09	Bill Rea	09415ED9688C40CD	3285017

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-09-07	mnd9	B20C810DD884C55E	1	6015517	5	3
Verified	2020-11-27	ATH	B20C810DD884C55E	1	7834539	5	3

History

Date	User	Type	Result
2020-11-27	Ben Delo	CERT	PRP Certification Proof certified good
2020-11-27	ATH	C-PRP	M9429451/162093978180126748268369 : B20C810DD884C55E PRP proof power = 8 PRP: Verified Proof certified good
2019-09-07	mnd9	C-PRP	M9429451/162093978180126748268369 : B20C810DD884C55E PRP: Verified PRP without proof (not generated)
2014-08-29	swildner	F-ECM	Factor: 162093978180126748268369 / (ECM curve 1, B1=50000, B2=5000000)
2013-09-03	Nesowa	NF	no factor from 2^64 to 2^65
2012-12-03	Nesowa	NF-PM1	B1=115000, B2=2156250, E=6