Question

find a largest number of 15,20,25 leaves a remainder 8 respectively​

Answer 1

Welcome to the concept of HCF.

HCF stands for the highest common factor , more precisely, the highest number that divides the given numbers perfectly, i.e. the reminder is 0.

Here, we have to find the largest number that divides 15,20,25 and leaves remainder 8.

So, here's how to do it:-

______

15 | 20 | 1

-15

____ ______

5| 15 |3

-15

____

0

Now,

______

5 | 25 |5

-25

____

0

So, the HCF is 5