answersLogoWhite

0


Best Answer

The factors of 21 are:

1, 3, 7, 21

The factors of 63 are:

1, 3, 7, 9, 21, 63

The common factors are:

1, 3, 7, 21

User Avatar

Wiki User

12y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

13y ago

21 itself, as well as 210, 2100, 21000, etc.

This answer is:
User Avatar

User Avatar

Wiki User

9y ago

Multiples of 21

This answer is:
User Avatar

User Avatar

Wiki User

13y ago

Because 63 divided by 3 is 21. 63/3=21

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why is 21 a factor of 63?
Write your answer...
Submit
Still have questions?
magnify glass
imp