perplexus.info :: Just Math : Division by e

Division by e (Posted on 2020-03-25)

Let [x] denote the closest integer to x.

Find the last 5 digits of [100000!/e]

No Solution Yet Submitted by Danish Ahmed Khan

Rating: 5.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: Guess not proof

| Comment 6 of 10 |

(In reply to Guess not proof by Kenny M)

If the problem asked for floor(100000!/e), then your guess of 00000 would actually be correct!

Posted by Math Man on 2020-03-29 10:52:33

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