9 324 443 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
38762761416816949367	20	65.1	2014-07-14 04:47:59

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2000-12-14	Jörg Thomsen	079B498947DA13B5	0
Verified (Factored)	2003-04-19	Marc Getty / Phil Fizur	079B498947DA13B5	7415637

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-08-26	mnd9	D12163E98D83A6F9	1	2307316	5	3
Verified	2020-11-13	oodaira	D12163E98D83A6F9	1	5936083	5	3

History

Date	User	Type	Result
2022-04-09	LordJulius	NF	no factor from 2^64 to 2^65
2022-04-09	LordJulius	NF	no factor from 2^1 to 2^64
2022-04-09	James Heinrich	F	Factor: 38762761416816949367 / TF: 65-66
2020-11-13	curtisc	CERT	PRP Certification Proof certified good
2020-11-13	oodaira	C-PRP	M9324443/38762761416816949367 : D12163E98D83A6F9 PRP proof power = 8 PRP: Verified Proof certified good
2019-10-06	mnd9	NF	no factor from 2^66 to 2^67
2019-08-26	mnd9	C-PRP	M9324443/38762761416816949367 : D12163E98D83A6F9 PRP: Verified PRP without proof (not generated)
2014-07-14	swildner	F-ECM	Factor: 38762761416816949367 / (ECM curve 2, B1=50000, B2=5000000)
2013-09-06	Nesowa	NF	no factor from 2^64 to 2^65