Question

2.and 3. in full w
explain me and please send me a correct answer​

Answer 1

Answer:

what is prime factorisation?

divide a number until it becomes 1

so take 2 question part A

76,28

divide 76 until you get 1

76= 2*2*19

28= 2*2*7

Now what is HCF?

HCF = highest common factor

and in 76 and 28

2*2 is common so hcf of 76 and 28 is 4