(i) 48
48 = 2 × 2 × 2 × 2 × 3
48 = 16 × 3
∴ Largest perfect square factor is 16.
(ii) 11280
11280 = 2 × 2 × 2 × 2 × 3 × 5 × 47
= 16 × 3 × 5 × 47
∴ Largest perfect square factor is 16.
(iii) 729
729 = 3 × 3 × 3 × 3 × 3 × 3
= 27 × 27
= 729
∴ Largest perfect square factor is 729.
(iv) 1352
1352 = 2 × 2 × 2 × 13 × 13
= 2 × 13 × 2 × 3 × 2
= 26 × 26 × 2
= 676 × 2
∴ The largest perfect square factor is 676
