Question

Is 7*6*5*4*3*2*1+5 composite?

Answer 1

5 (7+6+4+3+2+1)=5 (23)=115

Answer 2

Yes , 7*6*5*4*3*2*1+5 ia a composite number
7*6*5*4*3*2*1 + 5
=5 [ 7*6*4*3*2*1 +1 ]

As it has another factor other than 1 and itself , so it is a composite number