What does 1! or 2! or 3! mean? – InterviewSolution

1.	What does 1! or 2! or 3! mean?
Answer» A FACTORIAL means ,that number MULTIPLIED with all the natural NUMBERS smaller than it.Step-by-step explanation:1! means 1 factorial that is 12! means 2 factorial that is 21=23! means 3 factorial that is 32*1=6Hope it helps you!!!

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