Thread: New quintuplet
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Old 2020-11-11, 18:18   #8
bur
 
Aug 2020

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Quote:
Originally Posted by Puzzle-Peter View Post
The long number fell out of a script I knocked together for CRT. I didn't investigate further as I was happy enough it ran without error messages
Two questions... ;)


Firstly: why choose the form x + y * z# +1? It's specifically the x + ... I don't get. If you want to go for N-1, wouldn't that require a product + 1? So why not test x * z# + 1?



Secondly: if the long number x = 220*4657#/273+1, then why does the whole end up as 126831252923413*4657#/273+1+n?


(Thirdly: how could you figure out it is a term containing a 1/273 and +1 by using FactorDB?)


These are maybe obvious, but not to me.

Last fiddled with by bur on 2020-11-11 at 18:18
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