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Search options not deleted user 69040

For challenges which involve deciding whether or not the input meets certain criteria, and outputting some data, representing that decision.

2 votes

Is this number a factorial?

C#, 43 40 bytes, 41 bytes fallback Uses a for loop to increment a number to divide the input by until the variable containing the input is no longer more than one. Returns false if the input is a fac …
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