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English\[14,7,28\]
1 List the multiples of each number. Multiples of 14 : 14, 28, ... Multiples of 7 : 7, 14, 21, 28, ... Multiples of 28 : 28, ... 2 Find the smallest number that is shared by all rows above. This is the LCM. LCM = 1 List the prime factors of each number. Prime Factors of 14 : 2, 7Prime Factors of 7 : 7Prime Factors of 28 : 2, 2, 72 Find the union of these primes. 3 Multiply these numbers: . This is the LCM. LCM = Done  |
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