Question 341710
You should have 



{{{(26!)/((26-5)!5!) =(26*25*24*23*22*21!)/(21!5!) =(26*25*24*23*22*cross(21!))/(cross(21!)*5!) = (26*25*24*23*22)/(5*4*3*2*1) = 65780}}}



So there are 65,780 different ways to select 5 numbers from a pool of 26 numbers.



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Jim