Simple Python function to test integer is a prime number

#!/usr/bin/python3

def isprime(n):
 if n == 1:
 print("1 is special")
 return False
 for x in range(2, n):
 if n % x == 0:
 print("{} equals {} x {}".format(n, x, n // x))
 return False
 else:
 print(n, "is a prime number")
 return True

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