4 ms·
"A number less than 100 is prime if it sounds prime, and isn't 51 or 91." (To me, 57 is too obviously 3 less than the obviously-divisible-by-3 60.)
by parenthesis 5y ago
"A number less than 100 is prime if it sounds prime, and isn't 51 or 91."
(To me, 57 is too obviously 3 less than the obviously-divisible-by-3 60.)