User profile: cool123dude

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User name:cool123dude
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PR Numbers
so, my given numbers are right in between 1 and 100 ?

PR Numbers
Sorry 1 is not PR number. I think 20,30..90 should be PR number because 0 and 2 aren't coprime as ...

PR Numbers
Problem statement is added ..

PR Numbers
Problem link :

Explain me the question MAGICJAR