Ronga nhamba imwe neimwe seyokutanga kana kuti yakasanganiswa - 1, 2, 3, 10, 15
Nyanzvi dzemasvomhu dzemazuva ano dzinorondedzera nhamba seyokutanga kana ikakamurwa nenhamba mbiri chaidzo. Sezvo 1 ichigona kukamurwa ne1 uye nhamba yacho pachayo, inovawo 1, saka 1 inhamba yokutanga. Nokutsanangurwa kumwe chete ikoko 2 na3 nhamba dzokutangawo. Nepo, 10 na 15 ari nhamba dzakabatanidzwa sezvo dzichigona kukamurwa nenhamba 4 imwe neimwe. 10 inogona kukamurwa ne1, 2, 5 uye 10. 15 inogona kukamurwa ne1, 3, 5 uye 15.