Number theoryDifficulty 1.0JuniorFind the answerUnited Kingdom
Three consecutive positive integers less than 20 are, in ascending order, prime, even and triangular. What is the product of these three integers?
(A) 6 (B) 60 (C) 990 (D) 1786 (E) 2730
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.