Factors and Multiples

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number. For example, 3 is a factor of 12 because 12 ÷ 3 = 4.

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer. For example, the multiples of 5 are 5, 10, 15, 20, etc.

Front

Which number is a multiple of 9? Options: 18, 3, 26, 32

Back

18

Front

Which number is a factor of 36? Options: 8, 12, 16, 30

Back

12

Front

Which number is a multiple of 11? Options: 1, 12, 66, 35

Back

66

Front

True or False: 2 is the only even prime number.

Back

True

Front

Which number is a factor of 25? Options: 1, 2, 10, 50

Back

1

Front

What are prime numbers?

Back

Prime numbers are natural numbers greater than 1 that have no positive divisors other than 1 and themselves. For example, 2, 3, 5, and 7 are prime numbers.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of each of the numbers. For example, the LCM of 4 and 5 is 20.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) of two or more numbers is the largest number that divides all of them without leaving a remainder. For example, the GCF of 8 and 12 is 4.