Prime & Composite

Front

What is a prime number?

Back

A prime number is a number that has only two factors: 1 and itself.

Front

What is a composite number?

Back

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

Front

What is the only even prime number?

Back

2

Front

Is 1 a prime number?

Back

No, 1 is not a prime number.

Front

Is 0 a prime number?

Back

No, 0 is not a prime number.

Front

Find the prime number: 0, 1, 7, 4.

Back

7

Front

Which number below is a prime number: 1, 0, 2, 9?

Back

2

Front

Is 35 prime or composite?

Back

Composite.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

What are the factors of 9?

Back

1, 3, 9 (9 is composite).