Question

find the square of the following number by the prime factorisation method
729
400
1764
4096​

Answer 1

729 = 3 x 3 x 3 x 3 x 3 x 3 = 36

400: 2 × 2 × 2 × 2 × 5 × 5 or 24 × 52.

1764 = 22 × 32 × 72.

4096: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048 and 4096.

Answer 2

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