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Função que verifica se um número é primo em python
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| def is_prime(n): | |
| if n == 2 or n == 3: return True | |
| if n < 2 or n%2 == 0: return False | |
| if n < 9: return True | |
| if n%3 == 0: return False | |
| r = int(n**0.5) | |
| f = 5 | |
| while f <= r: | |
| #print('\t',f) | |
| if n%f == 0: return False | |
| if n%(f+2) == 0: return False | |
| f +=6 | |
| return True |
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