# Example & Tutorial understanding programming in easy ways.

## Write a program to find the HCF of two number

HCF:
Stand for Highest common factor.

Example-
HCF of 8 and 12 is 4
HCF of 5 and 7 is 1
HCF of 5 ad 10 is 5

program-

#include< stdio.h>
int main() {
int i,n1,n2,min;
printf("Enter first number");
scanf("%d",&n1);
printf("Enter second number");
scanf("%d",&n2);
if(n1< n2)
min=n1;
else
min=n2;
for(i=min;i>0;i--)
{
if(n1%i==0 && n2%i==0)
{
printf("HCF is %d",i);
break;
}
}
}

output-

Enter first number
10
Enter second number
25
HCF is 5

Enter first number
5
Enter second number
6
HCF is 1

-In this program, we take an input of two integer number and try to find there HCF.
-We run loop starting from minimum number and goes to 1.
-In between, if any value that is divide both input value, then it is considered as HCF of both number so we break the loop and display the HCF.

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