9 Mar
2016
9 Mar
'16
12:39 p.m.
Conversely, are there "compositey" primes?
The most commonly misidentified prime is 5, I assume because people are applying an "if it ends in 5 it's composite" rule, but after that 79 and 59 are closely tied for second place. I suppose they both look like multiples of 3 if you're, to quote British legal precedent, a moron in a hurry.