73 squared

73² = 73 × 73 = 5,329

To square a number, multiply it by itself. 73 squared is written 73² or 73^2, and the answer is 5,329.

How to work out 73 squared

• Direct: 73 × 73 = 5,329.
• From the previous square: 72² = 5,184, and 73² = 5,184 + (2 × 73 − 1) = 5,184 + 145 = 5,329.
• Split the number: 73 = 70 + 3, so 73² = 70² + 2 × 70 × 3 + 3² = 4,900 + 420 + 9 = 5,329.

Related

• 73 cubed = 389,017
• The square root of 5,329 is 73, so 5,329 is a perfect square.

Squares near 73

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