Prime and Composite Numbers

Front

The number 1 is

Back

Neither Prime nor Composite

Front

A composite number is a number with

Back

More than 2 Factors

Front

The only even prime number is

Back

2

Front

The number 5 is

Back

Prime

Front

The number 7 is

Back

Prime

Front

What is a prime number?

Back

A prime number is a 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 number that has more than two positive divisors.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

Is the number 9 prime or composite?

Back

Composite (factors: 1, 3, 9)

Front

Is the number 11 prime or composite?

Back

Prime (factors: 1, 11)