Factors

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

List the factors of 35.

Back

1, 5, 7, 35

Front

What are the factors of 15?

Back

1, 3, 5, 15

Front

Which number is not a factor of 24: 6, 8, 3, or 7?

Back

7

Front

What is the sum of the common factors of 12 and 16?

Back

2, 4, 8 (Sum = 2 + 4 + 8 = 14)

Front

Which number has 2 and 3 as factors: 14, 16, 18, or 20?

Back

18

Front

How do you find the factors of a number?

Back

To find the factors of a number, divide it by whole numbers starting from 1 up to that number.

Front

What is a prime factor?

Back

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

Front

What are the first five prime numbers?

Back

2, 3, 5, 7, 11

Front

What is the greatest common factor (GCF)?

Back

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