factors

Front

What is a factor?

Back

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

Front

List the factors of 30.

Back

1, 2, 3, 5, 6, 10, 15, 30

Front

Which of these is NOT a factor of 30? 2, 3, 5, 7

Back

7

Front

Which of these is NOT a factor of 35? 7, 3, 5

Back

3

Front

How can you determine if 2 is a factor of a number?

Back

See if it is even.

Front

Which of these is a factor of 85? 2, 3, 5, 7

Back

5

Front

How can you determine if 3 is a factor of a number?

Back

Add all digits, divide sum by 3.

Front

What is the greatest factor of any number?

Back

The number itself.

Front

What is a prime factor?

Back

A prime factor is a factor that is a prime number.

Front

List the prime factors of 30.

Back

2, 3, 5