Perfect Square Roots and Prime Roots

Write 64 as a product of its prime factors.

• 8x8

• 4x4x4

• 2x2x2x2x2x2

• 2x2x4x4

Which of the following is a perfect square?

• 10

• 25

• 50

• 89

Given that the prime factorisation of 9801 is 3⁴x11², find its square root without using calculator.

What is the least number by which 384 should be multiplied to make it a perfect square?

• 2

• 6

• 3

Which number is the square root of 324?

• 18²

• 18

• √18

• 18/2

√225

• 1

  13

• 16

• 18

• 15

What is the square root of 36?

• 4

• 6

• 18

• 1296

√196

• 15

• 13

• 12

• 14

What is the square root of 144?

• 4

• 12

• 16

• 32

What is the square root of 324?

• 16

• 17

• 18

• 28