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Factorial puzzle
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2015-04-02, 12:02
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ATH
Einyen
Dec 2003
Denmark
37·83 Posts
Quote:
Originally Posted by
henryzz
I just noticed that 10!=6!*7!.
Are there any other instances where x!=y!*z! with y and z > 1?
If not can anyone prove this?
No other examples for y,z < 10000 except the trivial cases.
ATH
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