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Old 2020-10-07, 17:47   #4
Viliam Furik
 
"Viliam Furík"
Jul 2018
Martin, Slovakia

1010100002 Posts
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Quote:
Originally Posted by axn View Post
which can be simplified to q mod 8 = 1 or 7
That's true, but using a higher modulo sieves-out little bit more of the composites, such as 9 mod 120.
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