--- In email@example.com
> Yesterday I started a search aimed at 18 Simultaneous Primes (BiTwin).
> So far I failed to improve SP18 record, but I have determined that the
> 112511682470782472978100 = 1.12512*10^23
> is the only number N below 1.23056*10^23 which produces 18 primes by
> the formula
> N * 2^n +/- 1, n=0,...,8
Fantastic find, so jealous.
And which, in its elemental form k=N/4=28127920617695618244525
has 2^4+k and 2^6+k prime.