27^4-9^5 3^9 is divisible by 25

no

Step-by-step explanation:

If you mean

27^4 - 9^5·3^9 = - 1161730026

it has no factors of 5, so cannot be divisible by 25.

__

If you mean ...

(27^4 - 9^5) / 3^9 = ((3^3) ^4 - (3^2) ^5) / 3^9 = 3^10 (3^2 - 1) / 3^9 = 3 (9-1) = 24

it is not divisible by 25, either.