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Factorial Probability (Posted on 2025-04-30)

A random positive integer divisor of 20! is chosen. What is the probability that it is divisible by 100?

No Solution Yet Submitted by Danish Ahmed Khan

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re: Brute force confirms

Comment 4 of 4 |

(In reply to Brute force confirms by Larry)

Thanks for the brute force confirmation, Larry.

It's so easy to make a mistake with this type of problem.

Posted by Jer on 2025-04-30 10:14:04

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