find out the largest prime number bangla

find out the largest prime number

#include <stdio.h>
int main()
{
    long long  number;
    printf("Enter a number to know its largest prime factor: ");
    scanf("%lld",&number);

    long long div=2, maxFact;

    while(number!=0){
        if(number % div !=0)
            div = div + 1;

        else{
            maxFact  = number;
            number = number / div;

            if(number == 1){
                printf("%d is the largest prime factor !",maxFact);
          //      ans = 1;
                break;
            } // end 2nd if
        }  // end else
    } // end loop
    return 0;
} // end main