Asked by Meenakshi

if the LCM of first 20 natural numbers is X, then what will be the LCM of first 25 natral numbers
Answered by Steve
since 23 is prime, it will be at least X*23
Since 25 = 5^2, the value will be X*23*5
because no other n<25 has 5 as a factor twice

All the factors of 21,22,24 are already in X
Answered by DON
You idiot
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