Question

Explain why 7 multiply 6 multiply 5 multiply 4 multiply 3 multiply 2 multiply 1 multiply + 5 is composite

Answer 1

7*6*5*4*3*2*1+5 can be also written as

5(7*6*1*4*3*2*1+1)

Since the number had more than 2 factors,it is a composite number

Answer 2

this is the required answer