 ooka sanka pradhaanamo kaado elaa nirnayinchaalo anaku saaraamsaanni andinchandi .
 pradhaana sanka  ( ledha prime )  anede  1  kante ekuva sahaja sanka ,  idi remdu chinna sahaja sankhyala utpatthi kadhu .  pradhaanam kanni  1  kante ekuva sahaja sankhyanu misrama sanka antaruu .  udaharanaku , 5  pradhaanamainadi endhukante dhaanini utpattigaa vrayadaaniki Bara margalu , 1 × 5  ledha  5 × 1, 5 ni kaligi untai .  Hansi yemainappatiki , 4  anede ooka utpatthi  (2 × 2),  dheenilo remdu sankhyalu  4  kante chinnaviga untai .  ankaganitam yokka praadhimika siddhaantam kaaranamgaa prime ‌ lu sankhya siddhaantamloo pradhaanamienavi : 1  kante ekuva unna prathi sahaja sanka ooka pradhaanamainadi ledha vaati kramam varku pratyekamgaa umdae prime ‌ l utpattigaa karakam cheyavachu .
 pradhaana sanka anede  1  mariyu daanitho paatu remdu chinna sankhyala labdham kaaleni ooka sanka kante ekuva  ( udaa .,  sanka  5  pradhaanamainadi endhukante remdu chinna sankhyala yokka ekaika utpatthi  5  mariyu  1).