galois.iroot¶
- class galois.iroot(n, k)¶
Finds the integer \(k\)-th root \(x\) of \(n\), such that \(x^k \le n\).
- Parameters
- Returns
The integer \(k\)-th root \(x\) of \(n\), such that \(x^k \le n\)
- Return type
Examples
In [1]: galois.iroot(27**5 - 1, 5) Out[1]: 26 In [2]: galois.iroot(27**5, 5) Out[2]: 27 In [3]: galois.iroot(27**5 + 1, 5) Out[3]: 27