Unsolved Problems in Mathematics

  1. Poincare Conjecture - $1,000,000 US for a solution! How many 3D simple surfaces exist...
  2. Goldbach Conjecture - Can every number be written as a pair of primes...
  3. Twin Prime Problem - How many primes have a twin...
  4. Integer Brick Problem - Can there be a triplet of triplets...



1