is_prime.nim 249 B

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  1. # nim c -r is_prime.nim
  2. import math
  3. proc prime(n: int): bool =
  4. for i in 2 .. int(sqrt(float(n))):
  5. if n %% i == 0:
  6. return false
  7. else:
  8. return true
  9. echo prime(4)
  10. echo prime(67)
  11. echo prime(7)
  12. echo prime(1)