题解 | 素数判断

t = int(input())
for i in range(t):
    num = int(input())
    if num == 1: 
        print('No')
        continue
    else:
        for j in range(2,num+1):
            if j == num: 
                print('Yes')
                break
            elif num % j == 0: 
                print('No')
                break