Question

Find the hcf of k 2k 3k 4k 5k with cage any positive integer

Answer 1

HCF of k 2k 3k 4k & 5k.

k = k*1
2k = 2*k
3k = 3*k
4k = 2*2*k
5k = 5*k

So the HCF= k

Answer 2

HCF :- the highest common factor

since in above given number that is k , 2k , 3k , 4k and 5k the only common factor is k

So,

k is the HCF