This week’s Fiddler is about the number 2025, in celebration of (almost) New Years! First puzzle: What is the greatest number of distinct primes that add up to 2025? Second puzzle: How can you assign a set of 20 distinct prime numbers to the 20 vertices of a dodecahedron, so that the numbers on the … Continue reading "2025 puzzle" The post 2025 puzzle first appeared on Book Proofs.
