#define _USE_MATH_DEFINES #include using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() using ll = long long; const int INF = 0x3f3f3f3f; const ll LINF = 0x3f3f3f3f3f3f3f3fLL; const double EPS = 1e-8; const int MOD = 1000000007; // const int MOD = 998244353; const int dy[] = {1, 0, -1, 0}, dx[] = {0, -1, 0, 1}; const int dy8[] = {1, 1, 0, -1, -1, -1, 0, 1}, dx8[] = {0, -1, -1, -1, 0, 1, 1, 1}; template inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; } template inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; } struct IOSetup { IOSetup() { cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(20); } } iosetup; vector sieve_of_eratosthenes(int val) { vector res(val + 1, true); res[0] = false; if (val >= 1) res[1] = false; for (int i = 2; i * i <= val; ++i) { if (res[i]) { for (int j = i * i; j <= val; j += i) res[j] = false; } } return res; } ll mod_pow(ll base, ll exponent, int md = MOD) { base %= md; ll res = 1; while (exponent > 0) { if (exponent & 1) (res *= base) %= md; (base *= base) %= md; exponent >>= 1; } return res; } int main() { int a, b, n; cin >> a >> b >> n; vector ps = sieve_of_eratosthenes(b); ll ans = 1; FOR(i, 2, b + 1) { if (!ps[i]) continue; ll p = 0; for (int j = i; j <= b; j *= i) (p += mod_pow(b / j - (a - 1) / j, n, MOD - 1)) %= MOD - 1; (ans *= mod_pow(i, p, MOD)) %= MOD; } cout << ans << '\n'; return 0; }