answersLogoWhite

0

Prime factors of 21 are: 3 and 7

Prime factors of 40 are: 23 and 5

LCM = 23*3*5*7 = 840

User Avatar

Wiki User

13y ago

Still curious? Ask our experts.

Chat with our AI personalities

BlakeBlake
As your older brother, I've been where you are—maybe not exactly, but close enough.
Chat with Blake
RossRoss
Every question is just a happy little opportunity.
Chat with Ross
LaoLao
The path is yours to walk; I am only here to hold up a mirror.
Chat with Lao

Add your answer:

Earn +20 pts
Q: What is the LCM of 21 and 40 how to solve it?
Write your answer...
Submit
Still have questions?
magnify glass
imp