Question

The hcf and lcm of two numbers 84 nd 21 respectively

Answer 1

Answer:

HCF=21,

LCM=84

Step-by-step explanation:

HCF of numbers-

84=$2^{2} *7*3$

21=$7*3$

so HCF=7*3 =21

LCM-

$2^2 *7*3=84$