1 How many positive prime numbers are less than the integer n? jsphcal 4 26 Dec 2012, 23:50 3 How many prime factors does positive integer n have? banksy 3 29 Mar 2011, 11:30 If N is a positive integer, not including N, how many rampuria 9 27 Oct 2008, 01:19 1 If n is an integer, then n is divisible by how many positive zetaexmachina 3 11 Jun 2008, 22:47 How many positive integers n are there such