Prime & Composite

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

Identify a prime number: 0, 1, 7, 4

Back

7 is a prime number.

Front

Identify a factor of 54: 4, 7, 5, 9

Back

9 is a factor of 54.

Front

Which number is NOT prime: 3, 7, 17, 21?

Back

21 is NOT a prime number.

Front

What do we call the answer to a multiplication question?

Back

The answer is called the product.

Front

Identify a number that is NOT prime: 7, 9, 2, 3

Back

9 is NOT a prime number.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest single-digit prime number?

Back

The largest single-digit prime number is 7.

Front

How many prime numbers are there between 1 and 10?

Back

There are four prime numbers: 2, 3, 5, and 7.