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Factors Factor ladders JMG. These are the prime numbers 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, ……….. Find the prime factors of 24 24 Take the.

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Presentation on theme: "Factors Factor ladders JMG. These are the prime numbers 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, ……….. Find the prime factors of 24 24 Take the."— Presentation transcript:

1 Factors Factor ladders JMG

2 These are the prime numbers 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, ……….. Find the prime factors of Take the smallest prime you can = 2 X 2 X 2 X3 JMG

3 These are the prime numbers 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, ……….. Find the prime factors of 24 and Take the smallest prime you can = 2 X 2 X 2 X = 2 X 2 X 3 X 3 JMG

4 24 = 2 X 2 X 2 X 3 36 = 2 X 2 X 3 X 3 Take any column that has two numbers HCF = 2 X 2 X 3 HCF = 12 JMG

5 24 = 2 X 2 X 2 X 3 36 = 2 X 2 X 3 X 3 Put an arrow on every column LCM = 2 X 2 X 2 X 3 X 3 LCM = 72 JMG


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