## Factors Answers

## 1. What is 12 as a product of its prime factors?

## 3 x 2^2

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## 2. Calculate the HCF of 12 and 90

## 6

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## 3. Calculate the HCF of 22 and 144

## 2

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## 4. What is √144

## 12

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## 5. How can 4^5 also be written as?

## 4 x 4 x 4 x 4 x 4

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## 6. Write all of the numbers that are factors of 30

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

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## 7. Write all of the numbers that are factors of 65

## 1, 5, 13

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## 8. What is the HCF of 90 and 165?

## 15

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## 9. How can 23^6 also be written as?

## 23 x 23 x 23 x 23 x 23 x 23

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## 10. Write 81 as a product of its prime factors?

## 3^4

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