1.

The LCM of 3a, 15ab is ______.1. 15ab2. 14ab3. Ab4. None of these

Answer» Correct Answer - Option 1 : 15ab

Given:

The LCM of 3a, 15ab

Calculation:

The prime factor of 3a, 15ab = 3 , 5, a, b

The LCM = 3 × 5 × a × b = 15ab

∴ The LCM of 3a, 15ab is 15ab.

The Least Common Multiple ( LCM ) is also referred to as the Lowest Common Multiple ( LCM ) and Least Common Divisor ( LCD) . For two integers a and b, denoted LCM(a, b), the LCM is the smallest positive integer that is evenly divisible by both a and b.



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