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The LCM of 2, 3 and 5 is 30.

The LCM of any three relatively prime numbers a, b and c is a*b*c, and here, 2 is a, 3 is b and 5 is c. Since 2, 3 and 5 are relatively prime, the LCM is 2*3*5=30.

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Q: What LCM of 2 3 and 5 and why?
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