What is the HCF of 42 49 and 84?

Answer 1

The Highest Common Factor (HCF) of 42, 49, and 84 is 7. To find the HCF, you need to factorize each number into its prime factors. The prime factors of 42 are 2 x 3 x 7, the prime factors of 49 are 7 x 7, and the prime factors of 84 are 2 x 2 x 3 x 7. The HCF is the product of the common prime factors raised to the lowest power they appear in any of the numbers, which in this case is 7.

Answer 2

Oh, dude, the Highest Common Factor (HCF) of 42, 49, and 84 is 7. It's like the cool kid that all three numbers can hang out with without any drama. So yeah, 7 is the HCF, the number that keeps things simple and chill between these three numbers.

Answer 3

Well, let's think about this like a happy little math problem. The highest common factor, or HCF, is the largest number that divides evenly into all the numbers. So, for 42, 49, and 84, the HCF would be 7 because it is the largest number that can divide evenly into all three numbers. Just like painting a beautiful landscape, finding the HCF is about looking for the common thread that brings everything together in harmony.

Answer 4

7