Sashen lissafi da ke hulda da siffofi da siffofi, don sanin kaddarorinsu ana kiransa? Bisa ga tambayar da ta gabata, ka rubuta mahallin da ke ɗauke da amsar. Zai iya zama jumla 1 - 20. Abubuwan da ke ciki:
A cikin ka'idar zobe, yawanci ana maye gurbin ra'ayin lamba da na manufa. Babban manufofi, waɗanda ke haɓaka manyan abubuwa a cikin ma'anar cewa babban abin da aka samar da babban abu shine babban manufa, kayan aiki ne mai mahimmanci da kuma batun nazarin algebra na commutative, algebraic number theory da algebraic geometry. Babban manufofi na zoben lambobi sune manufofi (0), (2), (3), (5), (7), (11),... Ka'idar mahimmanci na lissafi ta haɓaka zuwa ka'idar Lasker <unk> Noether, wanda ke bayyana kowane manufa a cikin zoben Noetherian commutative a matsayin ƙetare na manufofi na farko, waɗanda sune cikakkun generalizations na firamare.