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  1. print "enter a number: ";
  2.  
  3. $in = <>;
  4. chomp $in;
  5.  
  6. print &prime($in);
  7. print "\n";
  8.  
  9. sub prime {
  10.     for($i=2;$i<($_[0]/2+1);$i++) {
  11.         if($_[0]%$i ==0) { return "not prime\n" }
  12.     }
  13.  
  14.     return "prime\n";
  15. }
Success #stdin #stdout 0s 4596KB
comments (?)
stdin 
7
stdout 
enter a number: prime
https://ideone.com/9pjS4
language:
Perl (perl 5.28.1)
created:
12 years ago
visibility:
secret

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