Okulambulula (Factoring) kiringa kwabuluza mu namba; kitegeeza okulaga namba ng’ekubise (multiple) oba kiyite ekitondeko(product) kya nambuluzo zaayo (its factors). Nambuluzo ziba namba ennambulukufu (composite numbers) oba namba ezitali nambulukufu (prime numbers ) ,okujjako 0 ne 1 ezitagwa mu biti bino ebibiri.