Question 1001239
{{{log(2,(log(4, 256)))}}}

={{{log(2,(log(256)/log(4)))}}}

={{{log(2,(log( 2^8)/2log(2)))}}}

={{{log(2,(8log( 2)/2log(2)))}}}

={{{log(2,(8/2))}}}

={{{log(2,(4))}}}

={{{log(2,(2^2))}}}

={{{2}}}