Tagged with 77

#math trivia #77 solution

Burt Kaliski Jr. (@modulomathy) 3/17/12 2:12 PM #math trivia for #March17: #77 is a product of two consecutive primes — fourth such product this year. How many more are there in 2012? There can’t be that many more, because we’re already up to 7*11, and the square root of 366 — the largest day-number this … Continue reading