MOD = 998244353 from collections import defaultdict from math import isqrt def sieve(n: int): """エラトステネスの篩(O(n log log n))""" is_prime = [True] * (n + 1) is_prime[0] = is_prime[1] = False for i in range(2, isqrt(n) + 1): if is_prime[i]: for j in range(i * i, n + 1, i): is_prime[j] = False return [i for i in range(n + 1) if is_prime[i]] def factorize(n: int, primes=None): """素因数分解(O(√n))""" factorized = defaultdict(int) it = range(2, isqrt(n) + 1) if primes is None else primes for i in it: while n % i == 0: factorized[i] += 1 n //= i if n > 1: factorized[n] += 1 return factorized N = int(input()) A = list(map(int, input().split())) tree = [[] for _ in range(N)] for _ in range(N - 1): u, v = map(int, input().split()) tree[u - 1].append(v - 1) tree[v - 1].append(u - 1) primes = sieve(10**6) lcm = [factorize(A[i], primes) for i in range(N)] def dfs(v, p): for u in tree[v]: if u == p: continue dfs(u, v) for k, val in lcm[u].items(): lcm[v][k] = max(lcm[v][k], val) dfs(0, -1) for i in range(N): ans = 1 for k, v in lcm[i].items(): ans = (ans * pow(k, v, MOD)) % MOD print(ans)