Number Theory (GCF/LCM/Prime-Composite/Factorization)

Front

Select a factor pair for 72.

Back

4 and 18

Front

What is the prime factorization of 45?

Back

3² x 5

Front

A ______ number has only two factors; one and itself.

Back

prime

Front

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

Back

24

Front

What is the prime factorization of 28?

Back

2² x 7

Front

What is the greatest common factor (GCF) of 18 and 24?

Back

6

Front

Define a composite number.

Back

A composite number has more than two factors.

Front

What is the prime factorization of 60?

Back

2² x 3 x 5

Front

What is the least common multiple (LCM) of 5 and 10?

Back

10

Front

What is the greatest common factor (GCF) of 15 and 25?

Back

5