Factors and Multiples

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number. For example, factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer. For example, 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. Examples include 2, 3, 5, 7, and 11.

Front

What is a composite number?

Back

A composite number is a whole number greater than 1 that has more than two factors. For example, 4, 6, 8, and 9 are composite numbers.

Front

How can you find the factors of a number?

Back

To find the factors of a number, divide it by whole numbers starting from 1 up to that number. If the division results in a whole number, then both the divisor and the quotient are factors.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it only has one factor, which is itself.

Front

What are the first five prime numbers?

Back

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

Front

What does it mean to divide evenly?

Back

To divide evenly means that when one number is divided by another, there is no remainder. For example, 12 divided by 4 equals 3, which is even.

Front

What is a factor pair?

Back

A factor pair consists of two numbers that, when multiplied together, equal a given number. For example, (2, 6) is a factor pair of 12 because 2 x 6 = 12.