Factors

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number without leaving a remainder.

Front

List the factors of 24.

Back

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

Front

Which of the following numbers is not a factor of 24: 1, 2, 3, 7?

Back

7 is not a factor of 24.

Front

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

Back

The GCF of 12 and 16 is 4.

Front

How do you determine if a number is a factor of another number?

Back

To determine if a number is a factor of another, divide the larger number by the smaller number. If the result is a whole number, then it is a factor.

Front

What are the factors of 40?

Back

The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.

Front

Which number is a factor of 56?

Back

The factors of 56 include 1, 2, 4, 7, 8, 14, 28, and 56. Therefore, 7 is a factor of 56.

Front

What is the least common multiple (LCM) of 2 and 3?

Back

The LCM of 2 and 3 is 6.

Front

What pair of numbers has a product of 16 and a sum of 8?

Back

The pair of numbers is 4 and 4.

Front

Define a prime number.

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.