Finding the lcm of 2 nums using c [Solved]

Question

I wanted to make a code in c that gives the lcm of 2 given numbers.But it is not working.Can someone please tell me whats wrong with this code?
https://code.sololearn.com/cyIGwQVXHTnA/?ref=app

Answer 1

That is because the value of `a` or the first number is changed to 1 on the loop and it is changing/incremented every loop.

So for example:
INPUT: 3 4
a = 3
b = 4

Then inside your loop condition, it changed `a` to 1. Then it increments every loop, as a result this will only get the value of b.

🔻=== LOOP 1 ===🔻
a = 1
b = 4
i = 1

🔻=== LOOP 2 ===🔻
a = 2
b = 4
i = 3

🔻=== LOOP 3 ===🔻
a = 3
b = 4
i = 3

🔻=== LOOP 4 ===🔻
a = 4
b = 4
i = 4
🔸Condition is now True since 4%4==0

LCM of 4 and 3 is 4
See, this only gets the value of b which is not the actual LCM.

To Solve:
🔹Don't change the value of a.
Additional:
🔹Your for loop is basically an infinite loop, you can use while loop instead.
https://code.sololearn.com/c3aU2XvRyTiZ/?ref=app

Answer 2

I think in your lcm function you defined a as 1, while it's not supposed to be lol 😅

Oh, and I have made a code about this!

https://code.sololearn.com/ch376aTA0q05/?ref=app

Hope it works! Happy programming! :)

Answer 3

Thank you vey much guys😊.Actually I didnt notice that I already used a in function parameters and so used it again in loop.😁😅
Thank you again