Find the least common multiple and the greatest common factor of the following pairs of numbers. In other words, find the smallest number that is a multiple of both of the numbers in the pair.
3 and 24
7 and 9
15 and 12
Use the Math Notes box below to help you with these problems.
LCM is 24. GCF is 3.
Again, refer to the Math Notes box.
7 is a prime number, which means its only factors are 1 and itself.
Refer to the Math Notes box.
LCM is 60. Can you find the greatest common factor?