//#pragma GCC optimize ("O3") //#pragma GCC target ("avx") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long int ll; typedef unsigned long long ull; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll myRand(ll B) { return (ull)rng() % B; } constexpr ll mod=1e9+7; ll mod_pow(ll a,ll b ,ll MOD){ a%=MOD; if(b==0)return 1; if(b==1)return a; ll res=mod_pow(a,b/2,MOD)%MOD; res*=res; res%=MOD; if(b%2)res*=a; return res%MOD; } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); ll a,b,n; cin >> a >> b >> n; vector is_not_prime(b+1,false); for(int i=2;i<=b;i++){ if(!is_not_prime[i]){ for(int j=i+i;j<=b;j+=i){ is_not_prime[j]=1; } } } a--; ll res=1; for(ll i=2;i<=b;i++){ if(is_not_prime[i])continue; ll p=i; while(p<=b){ ll q=mod_pow(b/p-a/p,n,mod-1); res*=mod_pow(i,q,mod); res%=mod; p*=i; } } cout << res << endl; }