Question

Find the square root of the following number by prime factorisation method 441​

Answer 1

Answer:

By prime factorisation

Step-by-step explanation:

1) Write the prime multiples of : 441

3 x 3 x 7 x 7

2) Take a pair of every prime number.

3) You will get : 7 x 3 = 21.

There is your answer

Answer 2

Question :-

• Find the square root of the 441 number by prime factorisation method

Answer :-

In the attachment

Steps Followed :-

• First do the prime factorisation of 441
• We got 3 × 3 × 7 × 7 is 441
• Thus, we have to make pair of same numbers, now
• Thus, 3 × 7 = 21
• Thus, √441 = 21

Therefore, Square root of 441 is 21

Additional Information :-

• In prime factorisation, we just have to take prime numbers, either than prime must not be used.
• We took the pair because we know root is just it's twice
• So, we took one of them from the pair