Number theoryDifficulty 5.0AIME, harderProve itUnited Kingdom
The number 35 can be written as the sum of four distinct primes in two different ways: 35=2+3+13+17 and 35=2+3+11+19. What is the smallest number that can be written as the sum of four distinct primes in two different ways?
Want a route through all this instead of an archive? The track
puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.