prathi sankhyanu prime ledha composite ‌ gaaa vargeekarinchandi  - 1, 2, 3, 10, 15
adhunika ganita shaasthrajnulu ooka sankhyanu sariggaa remdu sankhyalatho bhaagisthe dhaanini pradhaanamani nirvachincharu . 1 ni  1 thoo bhaaginchavachchu mariyu aa sankhyanu kudaa  1 gaaa vibhajinchavachhu kabaadi  1  anede pradhaana sanka .  adae nirvachanam prakaaram  2  mariyu  3  kudaa pradhaana sankhyalu .  ayithe , 10  mariyu  15  misrama sankhyalu ,  vatini okkokkati  4  sankhyalatho bhaaginchavachchu . 10 ni  1, 2, 5  mariyu  10 thoo bhaaginchavachchu . 15 ni  1, 3, 5  mariyu  15 thoo bhaaginchavachchu .