fork(1) download 
  1. read*,n
  2. If(n.lt.2)stop
  3. Do i=2,n/2
  4. If(mod(n,i).eq.0)goto 5
  5. Print*,n,'is prime'
  6. Enddo
  7. Stop
  8. 5 Print*,n,'is not prime'
  9. Stop
  10. end
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
10
stdout 
          10 is not prime
https://ideone.com/4Cej1Z
language:
Fortran (gfortran 8.3)
created:
2 days ago
visibility:
public

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