Testing Guide

mrk74 · 2022-06-30, 23:28

Just out of curiosity is there a guide of some that explains what each test actually does? I thought I had seen something before but don't remember where I saw it.

Uncwilly · 2022-06-30, 23:40

Does this look like what you want?
https://www.mersenne.org/various/math.php

slandrum · 2022-07-01, 00:55

I particularly enjoyed:

Quote:

The double-check, which takes just as long as a first-time test, is usually done about 2 years after the first-time test.

I'm finding that most of the double checks I'm doing are 7-9 years after the original.

mrk74 · 2022-07-01, 03:35

Quote:

Originally Posted by Uncwilly

Does this look like what you want?
https://www.mersenne.org/various/math.php

To a point. I think I was looking at the Prime Wiki and just couldn't find it again.

A more pointed question...what's the difference between a regular PRP test and a first time LL?

slandrum · 2022-07-01, 03:47

https://en.wikipedia.org/wiki/Lucas%...primality_test

https://en.wikipedia.org/wiki/Probable_prime

Uncwilly · 2022-07-01, 04:21

Quote:

Originally Posted by mrk74

what's the difference between a regular PRP test and a first time LL?

LL gives an absolute and provable answer. PRP is gives a probable answer. If a PRP turns up a new MP, then LL will have to be run to prove it.

mrk74 · 2022-07-01, 12:50

Unrelated question...

How is rolling avg figured and is it that important? I've noticed my numbers dropping but the computer usage for other things really hasn't changed. It's barely used for anything else.

kruoli · 2022-07-01, 16:41

Quote:

Originally Posted by slandrum

I'm finding that most of the double checks I'm doing are 7-9 years after the original.

At least at some point in time this statement was true…

slandrum · 2022-07-01, 17:06

Quote:

Originally Posted by kruoli

At least at some point in time this statement was true…

Right - but the page has obviously been edited within the last couple of years, and it's been a long time since DC was about 2 years behind FTC.

kriesel · 2022-07-01, 17:40

Quote:

Originally Posted by slandrum

it's been a long time since DC was about 2 years behind FTC.

2007 for 2 years; 2018 for 5 years; 1998 for 1 year.

mrk74 · 2022-07-02, 23:50

Quote:

Originally Posted by mrk74

Unrelated question...

How is rolling avg figured and is it that important? I've noticed my numbers dropping but the computer usage for other things really hasn't changed. It's barely used for anything else.

I know I was told it can be inaccurate but I'm only at 73%. Changing yhe how often it will be used option changed it I know but not THIS much.

Quote:

Originally Posted by Uncwilly

LL gives an absolute and provable answer. PRP is gives a probable answer. If a PRP turns up a new MP, then LL will have to be run to prove it.

MP? Sorry I'm not up on the lingo much.

2022-06-30, 23:28	#1
mrk74 Jan 2020 2²×3×7 Posts	Testing Guide Just out of curiosity is there a guide of some that explains what each test actually does? I thought I had seen something before but don't remember where I saw it.

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2022-06-30, 23:40	#2
Uncwilly 6809 > 6502 """"""""""""""""""" Aug 2003 101×103 Posts 24645₈ Posts	Does this look like what you want? https://www.mersenne.org/various/math.php

2022-07-01, 03:47	#5
slandrum Jan 2021 California 110110111₂ Posts	https://en.wikipedia.org/wiki/Lucas%...primality_test https://en.wikipedia.org/wiki/Probable_prime

2022-07-01, 12:50	#7
mrk74 Jan 2020 1010100₂ Posts	Unrelated question... How is rolling avg figured and is it that important? I've noticed my numbers dropping but the computer usage for other things really hasn't changed. It's barely used for anything else.