What 2 square numbers subtract to make 691?

What two square numbers subtract to make 691? In other words, when you subtract one square number from another square number, the answer is 691. What are the two square numbers?

First, note that a square number is what you get when you multiply a number by itself, which means that the square root of a square number will equal a whole number. Thus, this is what we are solving:

A² - B² = 691

We solved the equation above and found this to be true:

346² - 345² = 691

346² is 119716 and 345² is 119025, therefore the answer to the question "What 2 square numbers subtract to make 691?" is 119716 and 119025 as illustrated below:

119716 - 119025 = 691

Note that there may be more than one solution to a problem like this. Above, we found the lowest combination of square numbers that subtract to 691. Below we list alternate solutions if available.

What Two Square Numbers Subtract To Make Calculator
Enter another number here to find what two square numbers subtract to make that number.

What 2 square numbers subtract to make 692?
Go here for the next problem on our list.