Question

19. What is the HCF of two consecutive (a) numbers? (b) even nos? c) odd nos?

Answer 1

Answer:

Highest common factor HCF of two consecutive odd numbers is always one 1. Between their factors 1 is common so their highest common factor HCF is 1. Hence their HCF is also 1.

HCF of 2 consecutive nos can be 9 or 10

two cosicutive even numbers can be 10 or 12