Question 182298
256-1

= 2^8 - 1

= (2^4 -1)(2^4 + 1)

= (2^2 -1)(2^2 +1)(2^2+i)(2^2-i)

= (2-1)(2+1)(2+i)(2-i)(4+i)(4-i)

= 1*3*(2+i)(2-i)(4+i)(4-i)

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I'm not sure this is what you want and I don't know
what you mean when you put ^ in front of 256-1.
.
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Cheers,
Stan H.