How To Make $6,000,000

Solve the Millennium Prizes. The solution of each is good for $1,000,000 @.

1 P versus NP
2 The Hodge conjecture
3 The Poincaré conjecture
4 The Riemann hypothesis
5 Yang–Mills existence and mass gap
6 Navier–Stokes existence and smoothness
7 The Birch and Swinnerton-Dyer conjecture

Russian Grigori Perelman did solve the Poincaré conjecture, but declined the prize and now lives jobless with his mother.