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Old 2019-08-25, 17:50   #1
hansl
 
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Default Largest PM1 factors?

Is there any page tracking world record largest factors found via PM1?

I thought I remembered seeing one somewhere, but maybe I was thinking of ECM.
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Old 2019-08-25, 17:53   #2
ixfd64
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https://members.loria.fr/PZimmermann...s/Pminus1.html
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Old 2019-08-25, 18:07   #3
hansl
 
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Ah, thanks.

Somewhat interesting that none of the top10 are factors of Mersenne numbers.
Anyone keeping tabs on Mersenne specific records like that?

edit: I only just started doing some PM1 work, but my best so far is a measly 29digits.

Last fiddled with by hansl on 2019-08-25 at 18:10
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Old 2019-08-25, 18:16   #4
chalsall
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Quote:
Originally Posted by hansl View Post
Anyone keeping tabs on Mersenne specific records like that?
You're probably wanting this report over on James' site.
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Old 2019-08-25, 22:50   #5
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Quote:
Originally Posted by chalsall View Post
You're probably wanting this report over on James' site.
Ah, yes, very nice. Looks like I've got a ways to go before making it into the record books
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