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English\[2,6,28\]
1 List the multiples of each number. Multiples of 2 : 2, 4, 6, ... , 80, 82, 84, ... Multiples of 6 : 6, 12, 18, ... , 72, 78, 84, ... Multiples of 28 : 28, 56, 84, ... 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 2 : 2Prime Factors of 6 : 2, 3Prime 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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