Question

PLEASE HELP!!!!!!!!!!!
What is the definition of common multiple ?
And give an example with it.

Answer 1

A common multiple is a number that is a multiple of 2 or more numbers. An example is 8 which is a multiple of 2 and 4.

Answer 2

for a common multple you need two numbers.
M is a common multiple of p and q if M is a multiple of p and M is a multiple of q
like 21 is a common multiple of 3 and 7