**Prime factor of a number in c**

#include<stdio.h>

int main(){

int num,i=1,j,k;

printf("\nEnter a number:");

scanf("%d",&num);

while(i<=num){

k=0;

if(num%i==0){

j=1;

while(j<=i){

if(i%j==0)

k++;

j++;

}

if(k==2)

printf("\n%d is a prime factor",i);

}

i++;

}

return 0;

}
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