Question

Find the square roots of numbers
prime factorisation method
A. 7,921 B. 9,801​

Answer 1

Answer:

prime factorization of 7921

actually 7921 is a prime number

= 89 | 7921

89 | 89

| 1

7921 = 89×89

√7921 = 89

b). 9801

9801 = 99×99

√9801 = 99