Factors & Multiples

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

What is a multiple?

Back

A multiple is a number that can be divided by another number without a remainder.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that is a factor of two or more numbers.

Front

What is the least common multiple (LCM)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

Front

Which of the following is NOT a factor of 9? 0, 1, 3, 9

Back

0

Front

What is the GCF of 8 and 10? 1, 3, 4, 2

Back

2

Front

Which number is NOT prime? 3, 7, 17, 21

Back

21

Front

What is the LCM of 3 and 6? 3, 6, 12, 15

Back

6

Front

Find the greatest common factor of 20 and 30. 2, 5, 10, 15

Back

10

Front

What is a prime number?

Back

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