What is the HCF of 21 and 49?

Answer 1

23

Answer 2

The first step when finding an HCF is to break the numbers down into their prime factors. In this case we get:

21 = 3x7

49 = 7x7

The next step is to identify any common prime factors. In this case both numbers have a 7 as a prime factor. There are no more common prime factors, and thus the HCF of 21 and 49 is 7.

Answer 3

The Highest Common Factor (HCF) of 21 and 49 is 7. To find the HCF, you need to determine the highest number that divides both 21 and 49 without leaving a remainder. In this case, the highest number that fits this criteria is 7, as 21 = 7 * 3 and 49 = 7 * 7.

Answer 4

Ah, finding the Highest Common Factor is like painting a beautiful landscape. The HCF of 21 and 49 is 7, my friend. Just like how different colors blend together to create a masterpiece, numbers come together to reveal their common factor. Keep exploring the world of numbers, and you'll uncover more hidden treasures.

Answer 5

Hcf 21,49