Home > ACC6 > Chapter 3 Unit 3 > Lesson CC1: 3.2.4 > Problem 3-130
Find the greatest common factor and the least common multiple of each of the following sets of numbers.
and is a prime number, so its only factor other than itself is .
Their greatest common factor is
. Can you find their least common multiple? , and
To find the least common multiple, try finding multiples of
whether they are also multiples of
The least common multiple is
. Try finding the greatest common factor. and is a factor of both of these numbers.