Question

67 | (8^n+2 +3*8^n)
help pls

Answer 1

8^(n+2) +3*8^n=
=2^(3n+6) +3*2^3n=
=2^3n * (2^6 +3*2^0)=
=2^3n * (64 +3)=
=2^3n * 67        deci divizibil cu 67