from math import gcd
import sys

input=sys.stdin.buffer.readline

N=int(input())
A=list(map(int,input().split()))

n=N.bit_length()
_GCD=[[0 for i in range(n)] for i in range(N)]
for i in range(N):
    _GCD[i][0]=A[i]
for j in range(1,n):
    for i in range(N-2**j+1):
        _GCD[i][j]=gcd(_GCD[i][j-1],_GCD[i+2**(j-1)][j-1])