improved simple factorization

2023-12-28 23:57:02 +01:00
parent c6a9a8e456
commit 40b23f19d6
2 changed files with 5 additions and 5 deletions
--- a/numbers.h
+++ b/numbers.h
@@ -31,7 +31,7 @@
 namespace LA {

 template<typename N>
-N primefactor(const N &x);
+N primefactor(const N &x, const N &last=0);

 template<typename N>
 bool isprime(const N &x) {return x>1 && x==primefactor(x);}