0
More answers
Factor them.
3 x 7 = 21
2 x 2 x 3 x 5 = 60
Combine the factors, eliminating duplicates.
2 x 2 x 3 x 5 x 7 = 420, the LCM
This answer is:
By multiplying the the highest prime numbers which are 3 squared and 7 = 63
This answer is:
Add your answer:
Earn +20 ptsQ: How do you find the LCM for 9 and 21?
Write your answer...
Submit
Still have questions?
Continue Learning about Movies & Television
Related questions
What is the LCM of 9 21 and 49?
The LCM is 441.
What is the LCM of 14 9 21?
The LCM is 126.
What is the LCM of 9 and 21 and 24?
The LCM of 9, 21 and 24 is 504.
What is the LCM of 3 9 and 21?
LCM OF 9,3 AND 21 IS 63. CHECK FOR YOURSELF IF YOU ARE NOT SURE.
What is the LCM of 9 and 21 and?
Until that other number shows up, the LCM is 63.
What is the LCM of 28 what is the LCM of 21 what is the LCM of 9?
Of each of them on their own respectively is 28, 21 and 9. together is 252
What is the LCM 9 and 21?
7 x 9 = 63 3 x 21 = 63 Therefore, the LCM of 9 and 21 is 63.
What is the LCM of 21 3 9?
The Least Common Multiple (LCM) for 21 3 9 is 63.
What is the LCM of 9 21 15?
The Least Common Multiple (LCM) for 9 21 15 is 315.
What is the LCM of 10 21 and 7?
The LCM is 252.
What is the LCM of 21 an d 9?
The LCM is: 63
What is the LCM of 9 and 16 and 21?
The LCM is: 1,008
Copyright ©2024 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.