What id the LCM of first 4 prime numbers 1 210 122 30 F

What id the LCM of first 4 prime numbers 1 210 122 30 F
| What id the LCM of first 4 prime numbers?

A. 1

B. 210

C. 122

D. 30

Please scroll down to see the correct answer and solution guide.

Right Answer is: B

SOLUTION

First four prime numbers are 2, 3, 5 and 7

There can't be any common number that can divide all the numbers completely.
So, the LCM is the product.
LCM = 2 × 3 × 5 × 7
        = 210

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