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Denbigh maths
Writing a number as a product of its prime factors Week 1
Question | Answer |
---|---|
Write 36 as a product of its prime factors | 2 х 2 х 3 х 3 |
Write 105 as a product of its prime factors | 3 х 5 х 7 |
Write the following as products of their prime factors; a) 18 b) 27 c) 35 d) 91 e) 236 f) 128 | a) 2 х 3 х 3 b) 3 х 3 х 3 c) 5 х 7 d) 7 х 13 e) 2 х 2 х 59 f) 2 х 2 х 2 х 2 х 2 х 2 х 2 |
Use the product of prime factors to find the HCF of 24 and 60. | 24 = 2 х 2 х 2 х 3 60 = 2 х 2 х 3 х 5 HCF = 2 х 2 х 3 = 12 |