Question

2. Prove that LCM (6!, 71,8!) = 8!

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Answer 1

Answer:

It's simple

6!=1*2*3*4*5*6

7!=1*2*3*4*5*6*7

8!=1*2*3*4*5*6*7*8

So 8! is having common of 6! &7!, and here greatest is 8!

therefore 8! is the final answer.