0
#include <iostream.h>
main()
{
int a;
cout<<"enter a number : ";
cin>>a;
cout<<endl;
if (a%2-1)
cout<<"it is a Prime number";
else
cout<<"it is not a prime number"
return 0;
}
------------------------------------------
output: enter a number : 30
it is a not a prime number
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∙ 14y ago
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