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 3 are 3, 6, 9, 12, 15, etc.

Front

What is a prime number?

Back

A prime number is a number that has exactly two distinct factors: 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 12 are composite numbers.

Front

List the factors of 20.

Back

The factors of 20 are 1, 2, 4, 5, 10, and 20.

Front

List the factors of 30.

Back

The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.

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 result of multiplying a number by an integer.

Front

Is 1 a prime number?

Back

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