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Multiples

Find the LCM ...

Question

Find the LCM of first three prime numbers

A

30

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B

60

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C

20

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D

15

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Solution

The correct option is A
30

The first three prime numbers are 2 , 3 , 5

If the numbers are prime , then the LCM is the product of given numbers.

Hence LCM of 2 , 3 and 5 = 2 $\times$ 3 $\times$ 5

= 30

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