1.

Find the H. C. F of 4!,5!and6!

Answer» 4!
4!
6! = 6 x 5 x 4 x 3 x 2 x 15! = 5 x 4 x 3 x 2 x 14! = 4 x 3 x 2 x 1Therefore HCF is 4 x 3 x 2 x 1 = 244!
Hcf of 4! ,5!,6!= 24 means 4!
4! i.e 24


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