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Un article trouvé pour ce sujet.
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The last non cero digit of a factorial |
2009-06-12 |
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Wilson pose la question :
How can I find the last non cero digit from a factorial calculation of a big number.
For example 10! = 3628800, the last non cero digit is 8.
What is the last non cero digit of 10! ??
Robert Dawson lui répond. |
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