Factors and divisibility

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

What are the factors of 12?

Back

1, 2, 3, 4, 6, 12

Front

What are the factors of 10?

Back

1, 2, 5, 10

Front

What does it mean for a number to be divisible by another number?

Back

A number is divisible by another number if you can divide it without leaving a remainder. For example, 10 is divisible by 5 because 10 ÷ 5 = 2.

Front

Which numbers are divisible by 5?

Back

Any number that ends in 0 or 5 is divisible by 5.

Front

What are the common factors of 12 and 20?

Back

1, 2, 4

Front

If a number is divisible by 2, what can you say about it?

Back

If a number is divisible by 2, it is an even number.

Front

What are the factors of 15?

Back

1, 3, 5, 15

Front

How can you find the factors of a number?

Back

To find the factors of a number, list all the pairs of numbers that multiply together to give that number.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest factor that two or more numbers have in common.