#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- const int prime_max = 1000000; vector prime; int NP,divp[prime_max]; const ll mo=1000000007; void cprime() { if(NP) return; for(int i=2;i=i&&j>=1; return r; } int N,A[101010]; map P[1010100]; vector> Ps[1010101]; void solve() { int i,j,k,l,r,x,y; string s; FOR(i,1000010) Ps[i].push_back({1,-1}); cprime(); cin>>N; ll prod=1; FOR(i,N) { cin>>A[i]; x=A[i]; FORR(c,prime) { if(c*c>x) break; if(x%c==0) { ll a=1; P[i][c]=1; while(x%c==0) P[i][c]*=c, x/=c; Ps[c].push_back({P[i][c],i}); } } if(x>1) { P[i][x]=x; Ps[x].push_back({P[i][x],i}); } prod=prod*A[i]%mo; } ll lcm=1; FOR(i,1000001) { sort(ALL(Ps[i])); lcm=lcm*Ps[i].back().first%mo; } FOR(i,N) { prod=prod*modpow(A[i])%mo; ll lcm2=lcm; FORR2(c,n,P[i]) { if(Ps[c].back().second==i) { lcm2=lcm2*modpow(n)%mo*Ps[c][Ps[c].size()-2].first%mo; } } cout<<(prod+mo-lcm2)%mo<