In mathematics, factorization or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind. For example, 3 × 5 is a factorization of the integer 15 and is a factorization of the polynomial x² - 4. There are many factoring companies, so prices are usually competitive. It can be a cost-effective way of outsourcing your sales ledger while freeing up your time to manage the business. It assists smoother cash flow and financial planning. Some customers may respect factors and pay more quickly.