题解 | #质数因子#
质数因子
https://www.nowcoder.com/practice/196534628ca6490ebce2e336b47b3607
#include<stdio.h>
int main(){
int numb = 0;
scanf("%d", &numb);
int i = 0;
//合数的最小质因数必小于等于该数的平方根
for(i=2; i*i<=numb; i++){
//同因数连除
while(numb%i == 0){
printf("%d ", i);
numb /= i;
}
}
//未被除到1,是质数
if(numb>1){
printf("%d", numb);
numb /= numb;
}
return 0;
}
