Trigonometry question

Question

If a^b/4=16 for two positive integers a and n, what is one possible value of b?

Thank you for the help!

Answer 1

a^b/4=16

a^b=4*16

a^b=64

64 is a square number and a cubic number

8^2=64, a=8 and b=2

4^3=64, a=4 and b=3

the trivial case would be 64^1=64, a=64 and b=1