The equivalent numbers are 2^8, 4^4 and 16^2.
What are factors?
A number or algebraic expression that divides another number or expression evenly—i.e., with no remainder.
Given number: 256
Now,
2^8 = 2*2*2*2*2*2*2*2-256
4^4= 4*4*4*4= 256
16^2= 16*16 =256
Hence, only 2^8, 4^4 and 16^2 are equivalent to 256.
Learn more about factors here:
https://brainly.com/question/24182713
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