Write a program primes.py that reads a positive integer from standard input, and determines whether or not the number is prime.
Question
Solution 1
Sure, here is a simple Python program that checks if a number is prime:
def is_prime(n):
if n <= 1:
return False
elif n <= 3:
return True
elif n % 2 == 0 or n % 3 == 0:
return False
i = 5
while i * i <= n:
if n % i == 0 or n % (i + 2) ==
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