#include <bits/stdc++.h>
using namespace std;
int main()
{
int T,N,P,a[100];
scanf("%d",&T);
while(T--)
{
scanf("%d %d",&N,&P);
for(int i = 0; i<P; ++i) scanf("%d",&a[i]);
int ans = 0;
for(int i = 1; i<=N; ++i)
{
if(i%7==6 || i%7==0) continue;
bool found = false;
for(int j = 0; j<P; ++j)
if(i%a[j]==0)
found = true;
if(found) ++ans;
}
printf("%d\n",ans);
}
return 0;
}
using namespace std;
int main()
{
int T,N,P,a[100];
scanf("%d",&T);
while(T--)
{
scanf("%d %d",&N,&P);
for(int i = 0; i<P; ++i) scanf("%d",&a[i]);
int ans = 0;
for(int i = 1; i<=N; ++i)
{
if(i%7==6 || i%7==0) continue;
bool found = false;
for(int j = 0; j<P; ++j)
if(i%a[j]==0)
found = true;
if(found) ++ans;
}
printf("%d\n",ans);
}
return 0;
}
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