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1. 242

  • A. 3
  • B. 3
  • C. 3
  • D. 3

Answer: Option D

Explanation:

(2^4)^2 = 16^2 = 256

Now, subtract 1 from 256:

256 - 1 = 255

To find the greatest prime factor of 255, you can factor it:

255 = 3 * 5 * 17

So, the greatest prime factor of ((2^4)^2) - 1 is 17.

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