素数の判別 #Python

最近、pythonの勉強をしています。
メモを残します。

素数の判別

>>> 
2  is a prime number
3  is a prime number
5  is a prime number
7  is a prime number
11  is a prime number
13  is a prime number
17  is a prime number
19  is a prime number
23  is a prime number
29  is a prime number
31  is a prime number
37  is a prime number
41  is a prime number
43  is a prime number
47  is a prime number
53  is a prime number
59  is a prime number
61  is a prime number
67  is a prime number
71  is a prime number
73  is a prime number
79  is a prime number
83  is a prime number
89  is a prime number
97  is a prime number

code

素数.py

import math
n = 100 
for num in range(2,n):
    for i in range(2, math.floor(num**0.5)):
        if num % i == 0:
            break
    else:
        print(num, " is a prime number")