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Q.

LCM of 10,15 and 20 is ____


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Detailed Solution

Concept- LCM of 10, 15 and 20 is 60. In this question we have to find the LCM of 10,15 and 20 . The LCM is the least common multiple and it is defined as Question Image, where and Question Image are integers and gcd is the greatest common divisor.
Now, find LCM by using division method
Multiples of 10, 15, and 20 should be noted down.
As we know Multiple of a no. is obtained by multiplying a given no. by a natural no.
Multiples of Question ImageMultiples of Question ImageMultiples of Question ImageAs LCM called the least common multiple. So,
LCM of 10,15 and 20 is 60
Hence, the correct answer is 60.
 
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