Square Root of 666

Perfect Square Factors of 666: 1, 9
Largest Perfect Square Factor of 666 = 9
666 = 9 * 74
Simplify by applying the Product Rule for Radicals:
666 = √9 * √74
666 = 3 * √74
666 = 3√74
Square Root of 666: √666 = 3√74 = 25.807
Square Root of a Number