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Copy path1024 - Eid.cpp
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1024 - Eid.cpp
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#include <bits/stdc++.h>
using namespace std;
#define DEBUG(x) cout << '>' << #x << ':' << x << endl;
#define FOR0(i,n) for(int i=0, _##i=(n); i<_##i; ++i)
#define FOR(i,l,r) for(int i=(l), _##i=(r); i<_##i; ++i)
#define FORD(i,l,r) for(int i=(r), _##i=(l); --i>=_##i; )
#define repi(i,a) for(__typeof((a).begin()) i=(a).begin(), _##i=(a).end(); i!=_##i; ++i)
#define dwni(i,a) for(__typeof((a).rbegin()) i=(a).rbegin(), _##i=(a).rend(); i!=_##i; ++i)
#define printCase() "Case " << caseNum << ": "
#define pb push_back
#define mp make_pair
#define INF (int)1e9
#define EPS 1e-9
#define SYNC std::ios::sync_with_stdio(false)
#define ff first
#define ss second
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<int> vi;
typedef vector<vi> vvi;
ll gcd(ll a, ll b) {
return (b) ? gcd(b, a%b) : a;
}
int main() {
SYNC;
int t, n;
ll x;
cin >> t;
FOR(caseNum,1,t+1) {
cin >> n;
ll ans = 1;
FOR0(i, n) {
cin >> x;
ans = (ans*x)/gcd(ans,x);
}
cout << printCase() << ans << endl;
}
}