Factors, GCF, and LCM Problems

Front

What are the factors of 42?

Back

1, 2, 3, 6, 7, 14, 21, 42

Front

What are all the factors of 36?

Back

1, 2, 3, 4, 6, 9, 12, 18, 36

Front

What is the greatest common factor (GCF) of 24 and 60?

Back

12

Front

What is the least common multiple (LCM) of 8 and 12?

Back

24

Front

Which number is the greatest common factor of 45 and 75?

Back

15

Front

What is the least common multiple (LCM) of 6, 8, and 12?

Back

48

Front

Which of the following numbers is prime?
Options: 21, 29, 35, 39

Back

29

Front

Which of the following numbers is composite?
Options: 2, 3, 9, 11

Back

9

Front

Is 51 a prime number or a composite number?

Back

Composite

Front

Which of the following is NOT prime?
Options: 13, 17, 19, 21

Back

21