Payment history is the most weighted factor (35%) in determining your credit score. Even one late payment can hurt it badly. Other factors that affect it are credit utilization ratio (30%), the length of your credit history (15%), your current credit portfolio mix (10%), the number of newly opened credit accounts (10%), and hard inquiries connected to them. Foreclosures, bankruptcy, repossession, charge-offs, and settled accounts can also negatively impact your credit score. Learn More