SLUG Mailing List ArchivesOn Wed, 15 Nov 2000, James Wilkinson wrote: > This one time, at band camp, alex060@xxxxxxxxxxxxxxxx said: > > >all primes end in either 1 3 7 or 9 except 2 and 5 > > How about 39? That's not prime :) You need a better heuristic ;) he said all primes end in either 1 3 7 or 9, not that all numbers ending in 1 3 7 or 9 are prime -- Damien