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  1. echo prime or not
  2. read n
  3. c=0
  4. for(( i=1;i<=$n;i++ ))
  5. do
  6. p=`echo "$n%i" |bc`
  7. if [ $p -eq 0 ]
  8. then
  9. c=`echo "$c+1" |bc`
  10. fi 
  11. done
  12. if [ $c -eq 2 ]
  13. then
  14. echo prime
  15. else
  16. echo not
  17. fi
Success #stdin #stdout 0.02s 5316KB
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stdin
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stdout
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prime or not
not
https://ideone.com/6SzHn
language:
Bash (bash 5.0.3)
created:
14 years ago
visibility:
public

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