Letting Go Of The Mersenne Twister?

Recently I was interviewed by a crypto team from an international company, and at the end of the interview I was asked what my favouriate prime number was, and I said, that the ones I use for testing are 97, 997, 2¹⁹-1 and 2²⁵⁵-19. The first two are very simple ones I use for quick testing with simple numbers, the last one is used for complex method that require a 256-bit prime number (and is used in Curve 25519), and the…