Topic 7-3: Repeated Reasoning

Front

What is a factor?

Back

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

Front

List the factors of 18.

Back

The factors of 18 are 1, 2, 3, 6, 9, and 18.

Front

Which number is a factor of 18? 4, 7, 6, 12

Back

6

Front

Is 2 a factor of 6? Yes or No?

Back

Yes

Front

Which number is a factor of 21? 8, 9, 6, 3

Back

3

Front

Which of these statements is true? All numbers have four factors, 2 is a factor of every number, 1 is a factor of every number, All odd numbers have an odd number of factors.

Back

1 is a factor of every number.

Front

Which number is a factor of 7? 3, 4, 6, 7

Back

7

Front

What is the smallest factor of any number?

Back

The smallest factor of any number is 1.

Front

What is the largest factor of a number?

Back

The largest factor of a number is the number itself.

Front

How can you find factors of a number?

Back

To find factors, divide the number by integers starting from 1 up to that number.