75 MB compresess neatly to under 12 bytes, which I say because the string "2^74207281-1" is totally unambiguous (Wolfram Alpha will evaluate it for you no quest

75 MB compresess neatly to under 12 bytes, which I say because the string "2^74207281-1" is totally unambiguous (Wolfram Alpha will evaluate it for you no questions asked, no guesswork, though obviously it only approximates the output). So the Kolmogorov complexity of the 75 MB is 96 bits or less.