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How Do I Calculate Lcm? [Solved]

The LCM (a,b) is calculated by finding the prime factorization of both a and b .For example, for LCM (12,30) we find:Prime factorization of 12 = 2 × 2 × 3.Prime factorization of 30 = 2 × 3 × 5.Using all prime numbers found as often as each occurs most often we take 2 × 2 × 3 × 5 = 60.Therefore LCM (12,30) = 60.

How To Find The LCM of 3 Numbers - Plenty of Examples!

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Least common multiple exercise | Factors and multiples | Pre-Algebra | Khan Academy

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How to Find the Least Common Multiple Using Prime Factorization : Multiplication Tips

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