import sys
sys.setrecursionlimit(5*10**5)
input = sys.stdin.readline
from collections import defaultdict, deque, Counter
from heapq import heappop, heappush
from bisect import bisect_left, bisect_right
from math import gcd
class Era:
    def __init__(self, n):
        self.N = n
        self.l = [i for i in range(n+1)]
        for i in range(2,min(n,n//2+10)):
            if self.l[i] == i:
                for p in range(i+i,n+1,i):
                    if self.l[p] == p:
                        self.l[p] = i
    # 素数判定
    def isprime(self,n):
        return self.l[n] == n

    # 素因数分解
    def primes(self,n):
        ans = []
        now = n
        while now != 1:
            if not ans:
                ans.append([self.l[now], 1])
            else:
                if ans[-1][0] == self.l[now]:
                    ans[-1][1] += 1
                else:
                    ans.append([self.l[now], 1])
            now //= self.l[now]
        return ans
    
    # 約数列挙
    def facts(self,n):
        pf = self.primes(n)
        ans = [1]
        for pn, cnt in pf:
            tmp = [pow(pn, i) for i in range(1, cnt+1)]
            m = len(ans)
            for num in tmp:
                for i in range(m):
                    ans.append(ans[i]*num)
        return ans

era = Era(202020)
n = int(input())
ab = []
cs = []
for i in range(n):
    a,b= map(int,input().split())
    c = a*b
    cs.append((c,i))
    ab.append([a,b])

cs.sort()
cs = cs[::-1]
d = [10**10]*(202020)
ans = 0
for ci, i in cs:
    ai,bi = ab[i]
    fs = era.facts(ai)
    tmp = 0
    for num in fs:
        if d[num] == 10**10: continue
        tmp = max(tmp, bi*num//d[num])
    
    for num in fs:
        d[num] = min(d[num], ai)
    ans = max(tmp, ans)
    
print(ans)