0
The Highest Common Factor (HCF) of 63 and 21 is 21. To find the HCF, you can list the factors of both numbers and find the highest number that divides both evenly. In this case, the factors of 63 are 1, 3, 7, 9, 21, and 63, while the factors of 21 are 1, 3, 7, and 21. The highest number that appears in both lists is 21, making it the HCF.
Still curious? Ask our experts.
Chat with our AI personalities
RafaThere's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
ViviYour ride-or-die bestie who's seen you through every high and low.
Chat with Vivi
TaigaEvery great hero faces trials, and you—yes, YOU—are no exception!
Chat with Taiga
Add your answer:
Earn +20 ptsQ: What is the HCF of 63 and 21?
Write your answer...
Submit
Still have questions?
Trending Questions
What happens if a parabola has no x intercepts?
What is 1 8th of 18?
When did Elder Dempster Lines end?
How much km in 3700 meters?
What are the common factors of 28 and 120?
Where can you find a Bible quote about listening for the voice of God?
How many triangles can fit into 13 sided polygon?
What is 52.04 plus 72.27 equal?
What is distance divided by rate?
What is the ordinal number of 212?
How many minutes is 81?
What is 7209 times 9?
How many inches in 12ft.?
What are the least to greastes decimals for 4.701 4.2 4.71 4.2011?
What is 2010 subtract 65million?
What is the percent increase of 20 to 86?
What is a fraction equivalent to 2.382?
A hypothetical population consists of eight individuals ages 13 16 19 23 24 27 29 and 30 years. (Enter your answers to three decimal places.)?
What is 94 divided by nine?
How do you write two quarters?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.