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 numbers that can be divided by a certain number without leaving a remainder. For example, the multiples of 5 are 5, 10, 15, 20, 25, 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, 5 is a prime number.

Front

What is a composite number?

Back

A composite number is a number that has more than two positive divisors. For example, 24 is a composite number because it can be divided by 1, 2, 3, 4, 6, 8, 12, and 24.

Front

Is 2 a prime number or a composite number?

Back

2 is a prime number because it can only be divided by 1 and itself.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest single-digit prime number?

Back

The largest single-digit prime number is 7.

Front

What is a factor pair?

Back

A factor pair consists of two numbers that multiply together to give a product. For example, (2, 10) is a factor pair of 20.

Front

How do you find the factors of a number?

Back

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

Front

What is the difference between factors and multiples?

Back

Factors are numbers that divide another number evenly, while multiples are numbers that can be obtained by multiplying a number by integers.