Factors and Multiples

Front

What are factors?

Back

Factors are numbers that divide another number evenly without leaving a remainder.

Front

What are multiples?

Back

Multiples of a number are the results of multiplying that number by integers (whole numbers).

Front

How do you find the greatest common factor (GCF) of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor that appears in both lists.

Front

How do you find the least common multiple (LCM) of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple that appears in both lists.

Front

What is the GCF of 16 and 24?

Back

The GCF of 16 and 24 is 8.

Front

What is the LCM of 4 and 6?

Back

The LCM of 4 and 6 is 12.

Front

Is 5 a factor of 30?

Back

Yes, 5 is a factor of 30 because 30 divided by 5 equals 6 with no remainder.

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.

Front

List the factors of 25.

Back

The factors of 25 are 1, 5, and 25.

Front

What is the relationship between factors and multiples?

Back

Factors of a number are the numbers that can be multiplied together to get that number, while multiples are the results of multiplying that number by integers.