Factors, Multiples, Prime, and Composite

Front

Is 13 a prime number?

Back

Yes

Front

What are the factors of 12?

Back

1, 12, 2, 6, 3, 4

Front

What are the factors of 18?

Back

1, 18, 2, 9, 3, 6

Front

What is a factor?

Back

Two numbers you multiply together to get a product

Front

What are the multiples of 8?

Back

8, 16, 24, 32, 40, ...

Front

What is a prime number?

Back

A number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A number that has more than two factors.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

What is the least common multiple (LCM) of 4 and 5?

Back

20

Front

What is the greatest common factor (GCF) of 12 and 16?

Back

4