66 squared

66² = 66 × 66 = 4,356

To square a number, multiply it by itself. 66 squared is written 66² or 66^2, and the answer is 4,356.

How to work out 66 squared

Direct: 66 × 66 = 4,356.
From the previous square: 65² = 4,225, and 66² = 4,225 + (2 × 66 − 1) = 4,225 + 131 = 4,356.
Split the number: 66 = 60 + 6, so 66² = 60² + 2 × 60 × 6 + 6² = 3,600 + 720 + 36 = 4,356.

Related

66 cubed = 287,496
The square root of 4,356 is 66, so 4,356 is a perfect square.

Squares near 66

Number	Squared
62	3,844
63	3,969
64	4,096
65	4,225
67	4,489
68	4,624
69	4,761
70	4,900

Need another number? Use the exponent calculator or see all squares and cubes.