How do you calculate the square root of a number?

What is the easiest way to find the square root of a number?

How do you manually calculate square roots?

How do you find the square root of a number without a calculator?

To find a square root of a number without a calculator, see if you can get to that whole number by squaring smaller numbers, or multiplying a smaller number by itself. If the number is a perfect square, you will get a whole number as the square root.

How do you do square roots for beginners?

How do you find the square root of 144?

The following steps can be followed to find the square root of 144 using prime factorization:
  1. Determine the prime factors of 144. 144 = 2 × 2 × 2 × 2 × 3 × 3. …
  2. Group the prime factors of 144 in pairs. 144 = 22 × 22 × 32
  3. Pick one factor from each pair and the square root of 144 can be written as: √144 = √(22 × 22 × 32)