num = int(input("Please input a number: ")) for i in range(2, num): for j in range(2, i): if (i % j == 0): break if (i == j + 1): print(i)
![](https://it-help.tips/wp/wp-content/uploads/2019/04/20190414c1.png)
num = int(input("Please input a number: ")) for i in range(2, num): for j in range(2, i): if (i % j == 0): break if (i == j + 1): print(i)