Prime Lab

Some people believe prime numbers hide the secrets of the universe. We cannot promise that. But you can start dividing. Prime Lab was made for people who see a large composite number and think, “I wonder what is hiding in there.” If that sounds like you, welcome. If it does not, give us a few rounds. LEARN BY DOING A short first-use guide shows you how to begin. Enter prime divisors with a fixed number pad and reduce each target one factor at a time. Review the complete prime factorization after each round. There is no card deck and no multiple-choice rescue—just you, the number, and whatever your brain remembers about primes. ONLINE RACE Solve the same 5–7 digit target as a live opponent. If nobody arrives, the nearest mathematician bot steps in. Wins, draws, and losses change your Elo and your place on the all-time ladder. MORE FACTORS CAN STILL WIN You do not have to finish the…