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Factors. Factor ladders. These are the prime numbers. Take the smallest prime you can. 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, ………. Find the prime factors of 24. 24. 2. 12. 2. 6. 2. 3. 3. 1. 24 = 2 X 2 X 2 X3. These are the prime numbers. Take the smallest prime you can.
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Factors Factor ladders JMG
These are the prime numbers Take the smallest prime you can 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, ……….. Find the prime factors of 24 24 2 12 2 6 2 3 3 1 24 = 2 X 2 X 2 X3 JMG
These are the prime numbers Take the smallest prime you can 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, ……….. Find the prime factors of 24 and 36 24 2 36 2 12 2 18 2 6 2 9 3 3 3 3 3 1 1 24 = 2 X 2 X 2 X3 36= 2 X 2 X 3 X 3 JMG
24 = 2 X 2 X 2 X 3 Take any column that has two numbers 36 = 2 X 2 X 3 X 3 HCF = 2 X 2 X 3 HCF = 12 JMG
24 = 2 X 2 X 2 X 3 Put an arrow on every column 36 = 2 X 2 X 3 X 3 LCM = 2 X 2 X 2 X 3 X 3 LCM = 72 JMG