题解 | 素数判断
素数判断
https://www.nowcoder.com/practice/5ab1b9690af047699e96c87dee65def4
n = int(input())
for _ in range(n):
num = int(input())
count = 0
for i in range(1, num+1, 1): # 这里要注意range(a,b,step)是不包含b的
if num % i == 0:
count += 1
if (count <= 2) and (num > 1): # 注意题目要求正整数必须大于1才算得上素数
print("Yes")
else:
print("No")
range(a,b,step)中不包含截至值b
