Multiples

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer. For example, the multiples of 3 are 3, 6, 9, 12, etc.

Front

What is the prime factorization of a number?

Back

The prime factorization of a number is expressing it as a product of its prime factors. For example, the prime factorization of 24 is 2 x 2 x 2 x 3.

Front

List the first 5 multiples of 5.

Back

5, 10, 15, 20, 25

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, 3 is a factor of 21.

Front

How do you find multiples of a number?

Back

To find multiples of a number, multiply that number by integers (1, 2, 3, ...). For example, multiples of 4 are 4, 8, 12, 16, etc.

Front

What is the prime factorization of 30?

Back

The prime factorization of 30 is 2 x 3 x 5.

Front

Fill in the blank: The first 5 multiples of 2 are 2, 4, 6, 8, ____.

Back

10

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) of two or more numbers is the largest factor that divides all the numbers.

Front

List the first 5 multiples of 7.

Back

7, 14, 21, 28, 35