Prime and Composite Numbers

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

Is 21 a prime or composite number?

Back

Composite Number

Front

Is 41 a prime or composite number?

Back

Prime Number

Front

Is 17 a prime or composite number?

Back

Prime Number

Front

Is 35 a prime or composite number?

Back

Composite Number

Front

Which of the following is a composite number: 56, 27, 38, or all of the above?

Back

All of the above

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

List the first five composite numbers.

Back

4, 6, 8, 9, 10

Front

What is the smallest prime number?

Back

2