answersLogoWhite

0


Best Answer

420

Prime Factorization of:

42 =...2 * 3 * 7

70 =...2 .....* 7 * 5

84 =...2 * 3 * 7......* 2

===============

LCM = 2 * 3 * 7 * 5 * 2 = 420

User Avatar

Wiki User

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

Wiki User

12y ago

420

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the LCM of 42 and 70 and 84?
Write your answer...
Submit
Still have questions?
magnify glass
imp