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Factorial Difference Digits (Posted on 2014-01-12) Difficulty: 3 of 5
Determine the last two non-zero digits of 36! - 24!

Extra Challenge: Solving this puzzle without a computer program.

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

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re(2): A thought | Comment 3 of 6 |
(In reply to re: A thought by Jyqm)

The last two digits of 36!/24! - 1 would be 99, but then that must be multiplied by 24!. The product will include some new terminal zeros to be excluded and some non-zero to the left of that.
  Posted by Charlie on 2014-01-12 13:52:54

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