Find the lcm of 12 and 28 using prime factor
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Answer: 84 is the answer.
Step-by-step explanation: Prime factorization of 12 and 28 is (2 × 2 × 3) = 22 × 31 and (2 × 2 × 7) = 22 × 71 respectively.
LCM of 12 and 28 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 22 × 31 × 71 = 84
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