59 If n is a positive integer and r is the remainder when (n-1) enigma123 8 21 Jan 2012, 16:57 12 If n is a positive integer and r is the remainder when (n-1) kwhitejr 13 04 Aug 2010, 02:47 3 If n is a positive integer and r is the remainder when (n-1) raulmaldonadomtz 9 03 Jul 2010, 21:19 2 If n is a positive integer and r is the remainder when (n-1) CasperMonday 6 31 Aug 2009, 04:03 If n is posi