Question

Find the HCF of the following numbers by the prime factorisation method.
a) 28, 42, and 99​

Answer 1

Answer:

1

Step-by-step explanation:

28 = 2 × 2 × 7

42 = 2 × 3 × 7

99 = 3 × 3 × 11

Answer 2

Answer:

hcf of 28,42,99 is 1.....