#!/bin/python3

import sys

def canConstruct(a):
    for i in range(0,len(a)-1):
        if(a%t == 0):
            return 'Yes'
        else:
            return 'No'
        
    
    # Return "Yes" or "No" denoting whether you can construct the required number.

if __name__ == "__main__":
    t = int(input().strip())
    for a0 in range(t):
        n = int(input().strip())
        a = list(map(int, input().strip().split(' ')))
        result = canConstruct(a)
        print(result)