Question

Check whether 7 x 6 x 5 x 4 x 3 x 2 x 1 + 5 is a composite number.

Answer 1

Answer:

7×6×5×4×3×2×1+5=5045

Answer 2

Answer:

7*6*5*4*3*2*1+5=5045

multiples of 5045 are = 5*1009*1

so this no.have more then 2 multiples so it is a composite no.

hense proved