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Search: Posts Made By: a1call
Forum: Puzzles 2020-06-03, 04:58
Replies: 16
Views: 10,599
Posted By a1call
You are correct of course, but only iff,...

You are correct of course, but only iff, (generic)-you decide to exclude 1 from the definition of one or the other by some twisted logic but not both.:smile:

Google >> define coprime numbers >>...
Forum: Puzzles 2020-06-02, 19:01
Replies: 16
Views: 10,599
Posted By a1call
Thank you LaurV, But I actually new about that...

Thank you LaurV, But I actually new about that function.
One day in elementary school my geometry teacher asked if anyone could prove some particular theorem. I raised my hand described a valid...
Forum: Puzzles 2020-06-01, 21:58
Replies: 16
Views: 10,599
Posted By a1call
We cross posted. I stand corrected on 1. But, I...

We cross posted. I stand corrected on 1. But, I still think it's a matter of convention and not logic.:smile:
ETA: In the same way 1 was considered to be a prime number at some point until someone...
Forum: Puzzles 2020-06-01, 21:14
Replies: 16
Views: 10,599
Posted By a1call
Do you mean include 0? Pari-gp code: ...

Do you mean include 0?

Pari-gp code:

counter=0
for(i=2,278,{
if(gcd(278,i)<2,counter=counter+1);
})
counter
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