GCF and LCM

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple, which is the smallest number that is a multiple of two or more numbers.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple they have in common.

Front

What is the GCF of 16 and 24?

Back

The GCF of 16 and 24 is 8.

Front

What is the LCM of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

If Sara has 16 red flowers and 24 yellow flowers, how many bouquets can she make with the same number of each color?

Back

Sara can make 8 bouquets.

Front

What is the GCF of 99 and 54?

Back

The GCF of 99 and 54 is 9.

Front

What is the GCF of 8 and 10?

Back

The GCF of 8 and 10 is 2.

Front

If two signs blink every 9 seconds and 15 seconds, when will they blink together again?

Back

They will blink together again in 45 seconds.