#include #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; using lint=long long; const int INF=1<<29; map prime_factorize(long long a){ map res; if(a%2==0){ int cnt=0; do{ cnt++; a/=2; }while(a%2==0); res.emplace(2,cnt); } for(long long p=3;p*p<=a;p+=2) if(a%p==0) { int cnt=0; do{ cnt++; a/=p; }while(a%p==0); res.emplace(p,cnt); } if(a>1) res.emplace(a,1); return res; } void solve(){ int seed,n,k,base; scanf("%d%d%d%d",&seed,&n,&k,&base); vector a(n+1); a[0]=seed; rep(i,n) a[i+1]=1+(a[i]*a[i]+a[i]*12345)%100000009; int ans=INF; for(auto q:prime_factorize(base)){ int p=q.first; int hist[70]={}; rep(i,n+1){ int cnt=0; while(a[i]%p==0) a[i]/=p, cnt++; hist[cnt]++; } int sum=0,rest=k; rep(x,70){ if(rest>hist[x]){ sum+=hist[x]*x; rest-=hist[x]; } else{ sum+=rest*x; break; } } ans=min(ans,sum/q.second); } printf("%d\n",ans); } int main(){ int q; scanf("%d",&q); rep(_,q) solve(); return 0; }