Puzzle
The number 2025 is not prime. As a matter of fact, itβs a perfect square: . You cannot make by adding two distinct primes. To do so, youβd have to add an even prime and an odd prime. The only even prime is , but , which is not prime (itβs equal to ). But you can make 2025 by adding three distinct primes. For example, . You can also make 2025 by adding four distinct primes: . What is the greatest number of distinct primes that add up to 2025?