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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 x2x 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
Writeeach factoras many times as there aremaximum occurencesin the numbers
Lowest Common Factor (LCM)36 = 2 x 2 x3 x 3 twice V maximum occurences48 = 2 x 2 x 2 x 2 x 3 onceX
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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