from sympy import factorint

n,k = map(int,input().split(' '))
a = map(lambda ai: factorint(int(ai)),input().split(' '))
powers = dict()
for ai in a:
    for (p,e) in ai.items():
        if p not in powers.keys():
            powers[p] = 0
        powers[p] = max(powers[p],e)

for (p,e) in factorint(k).items():
    if p not in powers.keys() or powers[p] < e:
        print("No")
        exit()

print("Yes")