Factors, Prime and Composite Numbers

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has exactly two factors: 1 and itself.

Front

What is a composite number?

Back

A composite number is a number greater than 1 that has more than two factors.

Front

Is 33 a prime or composite number?

Back

Composite

Front

How many factors does a prime number have?

Back

Exactly 2 factors.

Front

Which of these numbers is a prime number: 10, 9, 7, 4?

Back

7

Front

Who made an error in listing prime numbers: Eric, Maya, Bella, Joan?

Back

Joan (included 21, which is composite).

Front

Is 3 a factor of 12?

Back

Yes.

Front

What are the factors of 12?

Back

1, 2, 3, 4, 6, 12.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

What is the smallest prime number?

Back

2.