Prime & Composite

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

Which of the following is a prime number: 2, 4, 6, 8?

Back

2 is a prime number.

Front

Which of the following is a composite number: 3, 5, 9, 11?

Back

9 is a composite number.

Front

How many factors does the number 1 have?

Back

The number 1 has only 1 factor.

Front

Is the number 44 prime or composite?

Back

44 is a composite number.

Front

List the first five prime numbers.

Back

The first five prime numbers are 2, 3, 5, 7, and 11.

Front

What are the factors of 12?

Back

The factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

Is 7 a prime number or a composite number?

Back

7 is a prime number.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.