Least Common Multiples(L.C.M.)

IMPORTANT

Least Common Multiples(L.C.M.): Overview

Here, we will come across the definition of common multiple. It explains how to find the common multiples of different numbers. We will explore various examples for a better understanding. Furthermore, a question bank is provided for practice.

Important Questions on Least Common Multiples(L.C.M.)

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If a is an odd number b is not divisible by 3 and LCM of a and b is p, what is the LCM of 3a and 2b?

EASY
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Find the HCF and LCM of 96, 108, 280 using prime factorization method

MEDIUM
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L.C.M.1,2,3,4,...............,200L.C.M.105,106,107,..............200 is

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A factor is called Asli factor if it doesnot contain the digit 0 or 5 , then the largest Asli factor of 130000 is _________

EASY
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How many zeroes are there in the LCM of 150,70 and 2500?

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If 1y+z+1z+x=2x+y then what is the value of x2+y2

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Find the least square number which is exactly divisible by 4, 9 and 14 .

EASY
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What the least perfect cube is divisible by 12,15,18&32.  

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What is the smallest integer that is a multiple of 5, 8 and 15?

EASY
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What is the smallest integer that is divisible by 3, 7 and 18?

HARD
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Find the LCM and HCF by prime factorisation method for the numbers 15, 18, 36 and 20.

HARD
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Find the LCM and HCF by prime factorisation method for the numbers 15, 25 and 30.

HARD
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Find the LCM and HCF by prime factorisation method for the numbers 10, 15 and 25.

HARD
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Find the LCM and HCF by prime factorisation method for the numbers 18, 42 and 48.

MEDIUM
IMPORTANT

Write the multiples of 2 and 7 and identify the common multiples:

MEDIUM
IMPORTANT

Write the multiples of 3 and 5 and identify the common multiples: