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Question: Coprimes

Question:Coprimes

bongiman 133
April 12 2008
0

How does one create the set of all positive integers less than and coprime to 66?

I created a set of integers from 1-66: L := {seq(i, i = 1 .. 66)}, then try define coprime66 as follws, coprime66 := isprime(igcd(L, 66)),  to get a set of the coprimes but i get an error.

I've tried op(L) but this doesn't work either. What am i doing wrong?
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