What Is The Square Root Of 225 2025. If it is not a. What is the square root of 225? Break down 2025 into its prime factors, which are 3, 3, 3, 3, 5, 5. 1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675,.