What are the most common factors of 21 and 24?

Answer 1

The most common factors of 21 and 24 are the numbers that divide both 21 and 24 without leaving a remainder. The factors of 21 are 1, 3, 7, and 21, while the factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The common factors of 21 and 24 are 1 and 3.

Answer 2

The only commom factor of 21 and 24 (apart from 1 which is a common factor of any set of numbers) is 3.