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  1. read*,n
  2. If(n.lt.2)stop
  3. Do i=2,n/2
  4. If(mod(n,i).eq.0)then
  5. Print*,n,'is prime'
  6. Stop
  7. Else
  8. Print*,n,'is not prime'
  9. Endif 
  10. Enddo
  11. Stop
  12. end
Success #stdin #stdout 0.01s 5284KB
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stdin
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13
stdout
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          13 is not prime
          13 is not prime
          13 is not prime
          13 is not prime
          13 is not prime
https://ideone.com/jc96Kz
language:
Fortran (gfortran 8.3)
created:
2 days ago
visibility:
public

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