GCF and LCM

Front

51 is a _____________ of 3

Back

Multiple

Front

What is the GCF of 18 and 24?

Back

6

Front

Which pair of numbers has a GCF of 10 AND a LCM of 60?

Back

20 and 30

Front

18 ____________ a factor of 9.

Back

is not

Front

There are 14 girls and 21 boys in Mrs. Andrew's gym class. What is the greatest number of teams Mrs. Andrews can make if every student is on a team?

Back

7 teams

Front

Define GCF (Greatest Common Factor).

Back

The largest number that divides two or more numbers without leaving a remainder.

Front

Define LCM (Least Common Multiple).

Back

The smallest number that is a multiple of two or more numbers.

Front

What is the GCF of 12 and 16?

Back

4

Front

What is the LCM of 4 and 5?

Back

20

Front

If the GCF of two numbers is 1, what can we say about those numbers?

Back

They are coprime (have no common factors other than 1).