answersLogoWhite

0

The LCM of 9 and 21 is 63, which is the multiple of the highest power of prime factors from both numbers, is 63. (3² x 7 = 3 x 3 x 7 = 63).

User Avatar

Wiki User

8y ago

Still curious? Ask our experts.

Chat with our AI personalities

EzraEzra
Faith is not about having all the answers, but learning to ask the right questions.
Chat with Ezra
FranFran
I've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
ProfessorProfessor
I will give you the most educated answer.
Chat with Professor
More answers

LCM is least common multiple of two or more numbers. LCM of 9 and 21 will be:

9=3x3

21=3x7

LCM=9X7=63.

User Avatar

Wiki User

10y ago
User Avatar

63

User Avatar

Wiki User

15y ago
User Avatar

Add your answer:

Earn +20 pts
Q: What is the least common multiple of 21 and 9?
Write your answer...
Submit
Still have questions?
magnify glass
imp