Factors, Multiples, Prime and Composite

Front

What is a multiple?

Back

A multiple of a number is the result of multiplying that number by an integer. For example, multiples of 4 are 4, 8, 12, 16, etc.

Front

What are the first five multiples of 3?

Back

The first five multiples of 3 are 3, 6, 9, 12, and 15.

Front

What is a factor?

Back

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

Front

What are the factors of 16?

Back

The factors of 16 are 1, 2, 4, 8, and 16.

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. For example, 2, 3, 5, and 7 are prime numbers.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two factors. For example, 4, 6, and 8 are composite numbers.

Front

Which number is neither prime nor composite?

Back

The number 1 is neither prime nor composite.

Front

What is the least common multiple (LCM) of 4 and 5?

Back

The least common multiple (LCM) of 4 and 5 is 20.

Front

What is the greatest common factor (GCF) of 12 and 16?

Back

The greatest common factor (GCF) of 12 and 16 is 4.

Front

How do you find the multiples of a number?

Back

To find the multiples of a number, multiply that number by integers (1, 2, 3, etc.). For example, multiples of 6 are 6, 12, 18, 24, etc.