分解成质因数(如435234=251*17*17*3*2，据说是华为笔试题)
void prim(int m, int n) {
???? if(m>n) {
???????? while(m%n != 0) n++;
???????? m /= n;
???????? prim(m, n);
???????? printf(”%d*”, n);
???? }
}
int main(int argc, char* argv[]) {
???? int n = 435234;
???? printf(”%d=”, n);
???? prim(n, 2);
}
