Factorylọ ọrụ anyị na-enye ogo dị elu ahaziri ahazi {isiokwu}. Yiwei nwere usoro ihe eji eme ihe na usoro ire ahia zuru oke, nke ohuru na uzo zuru ezu {isiokwu}. Àgwà ahụ bụ ihe a pụrụ ịdabere na ya, nabata ịjụ ọnụahịa ahụ.