if n factorial is 540 then n is
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5!= 1*2*3*4*5=120
6! 1*2*3*4*5*6=720
we cann't write 540 as a factorial
6! 1*2*3*4*5*6=720
we cann't write 540 as a factorial
parvineha:
thanks
but answer in the book is 7
7!=5040
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