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What is the smallest positive multiple of 6 that is also a multiple of 8 and 21?

 Jul 10, 2022
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Prime factorizations


6 = 2×3 (2 distinct prime factors)
8 = 2^3 (3 prime factors, 1 distinct)
21 = 3×7 (2 distinct prime factors)

 

LCM ==2^3 x 3 x 7 ==168

 Jul 10, 2022

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