The sum of three adjacent even numbers whose greatest common divisor is and the least common multiple is Why is my least common multiple 120

The sum of three adjacent even numbers whose greatest common divisor is and the least common multiple is Why is my least common multiple 120

Let three even numbers be X-2, x, x + 2, and x = 14. Then the three even numbers are 12, 14, 16. Then the greatest common divisor is 2 and the least common multiple is 336
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