Question

findout the square root of the following by prime factorisation method 400​

Answer 1

Answer:

400/2=200

200/2=100

100/2=50

50/2=25

25/5=5

5/5=1

mark me as brainliest

Answer 2

Answer:

400/2=200

200/2=100

100/2=50

50/2=25

25/5=5

5/5=1

400=2*2*2*2*5*5

so there are two pair of 2 and one pair of 5 we will take one from each pair

2*2*5=20

square root of 400 is 20