HCM LCM by Factorization Method
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- Prime Factorization MethodAny number can be expressed as Product of Primes 56 = 2 x 28 Prime 2 x 14 Prime 2 x 7 Prime Prime
- 56 = 2 x 2 x 2 x 7
- Highest Common Factor (HCF) 36 = 2 x 2 x 3 x 3 3 x 2 x 2 = 12 48 = 2 x 2 x 2 x 2 x 3
- 12 is HCF of 36 & 48
- Lowest Common Factor (LCM)36 = 2 x 2 x 3 x 3 twice X 48 = 2 x 2 x 2 x 2 x 3 four times V maximum occurences
- Write each factor as many times as there are maximum occurences in the numbers
- Lowest Common Factor (LCM)36 = 2 x 2 x 3 x 3 twice V maximum occurences 48 = 2 x 2 x 2 x 2 x 3 once X
- Lowest Common Factor (LCM)36 = 2 x 2 x 3 x 3 2 x 2 x 2 x 2 x 3 x 3 = 14448 = 2 x 2 x 2 x 2 x 3
- 144 is LCM of 36 & 48
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