Finding the square root of a number without a calculator.
Square root of 196 by prime factorization method.
I decompose the number inside the square root into prime factors.
1764 2 x 2 x 3 x 3 x 7 x 7 2 x 3 x 7 therefore 1764 42.
Notice 196 2 2 7 7 since there is an even number of prime factors and they can be grouped in identical pairs we know that.
Since the number is a perfect square you will be able to make an exact number of pairs of prime factors.
Taking the product of one factor from each pair will result in the square root of the perfect square.
The perfect square is factorized into its prime factors by successive division.
Square root of 7744 in prime factorization method 6640952 the area of neck and bottom of a bottle are 4cm square and 100cm square respectively.
Thew following steps will be useful to find square root of a number by prime factorization.
The product obtained in step v is the required square root.
As the name suggests in this method we need to find the prime factors of the perfect square.
Prime factorization method for finding square roots examples with a square root without a square root determine the square root of 196.
The pairs of the prime factors are paired.
Take one factor from each pair.
Ii inside the square root for every two same numbers multiplied one number can be taken out of the square root.
How to find the least common multiple using prime factorization.
Square root by prime factorization method example 1 find the square root.
Find the product of factors obtained in step iv.