Factors and Multiples

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 20 are 1, 2, 4, 5, 10, and 20.

Front

What are multiples?

Back

Multiples are the result of multiplying a number by an integer. For example, the multiples of 3 are 3, 6, 9, 12, 15, etc.

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. For example, 3 and 5 are prime numbers.

Front

What is a composite number?

Back

A composite number is a number that has more than two factors. For example, 4, 6, and 24 are composite numbers.

Front

What is a factor pair?

Back

A factor pair consists of two numbers that, when multiplied together, equal a given number. For example, (1, 20) and (4, 5) are factor pairs of 20.

Front

How do you find the factors of a number?

Back

To find the factors of a number, list all the integers that can divide that number without leaving a remainder.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest factor of any number?

Back

The largest factor of any number is the number itself.

Front

What is the difference between factors and multiples?

Back

Factors are numbers that divide evenly into another number, while multiples are the results of multiplying a number by integers.

Front

Can a number be both prime and composite?

Back

No, a number cannot be both prime and composite. A prime number has exactly two factors, while a composite number has more than two.