import sys
input=sys.stdin.readline
def I(): return int(input())
def MI(): return map(int, input().split())
def LI(): return list(map(int, input().split()))
mod=10**9+7

def main():
    N,K=MI()
    A=LI()
    inf=10**9+1
    M=pow(2,N)
    dp=[0]*(M)
    dp[0]=K
    
    for i in range(1,M):
        for j in range(N):
            if i>>j&1:
                temp=(dp[i-pow(2,j)])%A[j]
                dp[i]=max(dp[i],temp)
                
    print(dp[-1])
    
    
    


main()