Prime and Composite Review

Front

Is the number 8 prime or composite?

Back

Composite

Front

Which number is composite? 15 or 19?

Back

15

Front

Is the number 3 prime or composite?

Back

Prime

Front

A prime number is a whole number greater than 1 that has exactly 2 factors, 1 and itself. Is the number 2 prime or composite?

Back

Prime

Front

Which number is not a factor of 18? 2, 6, 3, or 7?

Back

7

Front

What is a prime number?

Back

A prime number is a whole number greater than 1 that has exactly two distinct positive divisors: 1 and itself.

Front

What is a composite number?

Back

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

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

Is the number 1 prime or composite?

Back

Neither; 1 is not considered prime or composite.