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Old 2022-06-11, 13:57   #1
alpertron
 
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Aug 2002
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Default Change in the tool to find P-1 done with the worst bounds

I found that when the exponent is less than 10M, you can see Mersenne numbers with probabilities that have been factoring using P-1 from 0% to 19.9%.

If you enter a range of exponents greater than 10M, the probabilities are limited at 10%. You can enter for instance 19.9%, but the tool does not show Mersenne numbers with large bounds as it is done with Mersenne numbers with exponent less than 10M.

Since Prime95 version 30.8 can use larger bounds for step 2, I would like the tool to show the Mersenne numbers with exponents greater than 10M for which P-1 algorithm were ran with high bounds.
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Old 2022-06-12, 01:13   #2
James Heinrich
 
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"James Heinrich"
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Quote:
Originally Posted by alpertron View Post
If you enter a range of exponents greater than 10M, the probabilities are limited at 10%.
I have changed the cutoff points:
20% = up to 20M (prev: 10M)
15% = 20M-50M (prev: 10M-20M)
10% = >50M (prev: >20M)

edit: this roughly triples the number of exponents tracked in that table from ~800k to 2.2M exponents.

Last fiddled with by James Heinrich on 2022-06-12 at 01:20
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Old 2022-06-12, 12:55   #3
alpertron
 
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It is working OK. Thanks.
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