Question

3. Find the square root by using prime factorization method
i) 216​

Answer 1

216 = (2 × 2 × 2) × (3 × 3 × 3)

216 = 23 × 33

3√216 = 3√(63)

Hence, 3√216 = 6

Answer 2

216=2 ×2×2×3×3×3

(2×2) (3×3) (3×2)

(4) (9) (6)