Free Printable S1 Remedial Prime Factorisation, HCF and LCM

Worksheets

Name

Class

Date

Which number listed below is a prime number?

What is the prime factorization of 15?

3x3x3

2x2x5

3x5

Write 80 as the product of it's prime factors...

Write your answer in index form...

2⁴ x 5

2 x 2 x 2 x 5 x 5

2 x 2 x 2 x 2 x 5

2³ x 5²

Write 144 as the product of it's prime factors...

2³ x 3²

2 x 2 x 2 x 3 x 3

2 x 2 x 2 x 2 x 3 x 3

2⁴ x 3²

Calculate the HCF

(a)

Calculate the LCM

(a)

Find $\sqrt[3]{4096}$ by prime factorisation

(a)

10.

Find the smallest number that has 2, 5, and 7 as its prime factors

(a)

Reset

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