Factors, Multiples, Prime, and Composite

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number without leaving a remainder.

Front

List the factors of 15.

Back

The factors of 15 are 1, 3, 5, and 15.

Front

What is a multiple?

Back

A multiple is the product of a number and an integer. For example, multiples of 3 include 3, 6, 9, 12, etc.

Front

List the multiples of 4 up to 20.

Back

The multiples of 4 up to 20 are 4, 8, 12, 16, and 20.

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

Is 7 a prime number?

Back

Yes, 7 is a prime number.

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 12 a prime or composite number?

Back

12 is a composite number.

Front

How can you determine if a number is prime?

Back

To determine if a number is prime, check if it has any divisors other than 1 and itself. If it does, it is composite.

Front

What are the first five prime numbers?

Back

The first five prime numbers are 2, 3, 5, 7, and 11.