C programming – To find LCM and GCD

C is a general purpose programming language. C is called a mid-level language because of faster program development like other high-level languages and faster program execution like assembly and machine language. C has a rich set of operators, modern control flow and economy of expressions. C also contains some additional features that allow it to be used at lower level, thus bridging the gap between machine languages and high-level languages. This flexibility allows C to be used for system programming (e.g., for writing operating systems) as well as for applications programming (e.g., for writing a program to solve a complicated system of mathematical equations or for writing a program like customer billing).

Here is an example for Finding LCM and GCD

Finding LCM and GCD

#include

void main()

{

int a[20],n,i,j,c,max,min;

unsigned long prod;

clrscr();

printf(“Enter the no. of entries: “);

scanf(“%d”,&n);

printf(“Enter the entries:”);

for(i=0;i0)

a[i]=c;

else

{

printf(“Invalid Entry”);

return;

}

}

max=a[0];

for(i=0;i=max)

max=a[i];

min=a[0];

for(i=0;i0;i–)

{

if (min%i==0)

{

c=0;

for(j=0;j if(a[j]%i==0)

c+=1;

}

if(c==n)

{

printf(“The GCD of the nos: %d”,i);

break;

}

}

getch();

}

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This is in continuation with our previous articles on C Programming.