77 squared

77² = 77 × 77 = 5,929

To square a number, multiply it by itself. 77 squared is written 77² or 77^2, and the answer is 5,929.

How to work out 77 squared

• Direct: 77 × 77 = 5,929.
• From the previous square: 76² = 5,776, and 77² = 5,776 + (2 × 77 − 1) = 5,776 + 153 = 5,929.
• Split the number: 77 = 70 + 7, so 77² = 70² + 2 × 70 × 7 + 7² = 4,900 + 980 + 49 = 5,929.

Related

• 77 cubed = 456,533
• The square root of 5,929 is 77, so 5,929 is a perfect square.

Squares near 77

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