What two numbers add up to 2315?

There are infinite combinations of two numbers that add up to 2315. Here are some examples using negative numbers:

-1 + 2316 = 2315
-2 + 2317 = 2315
-3 + 2318 = 2315
...

Here are some examples using two fractions that will add up to 2315:

2315/2 + 2315/2 = 2315
4630/3 + 2315/3 = 2315
6945/4 + 2315/4 = 2315
...

And here are some examples using two decimal numbers that will add up to 2315:

1.25 + 2313.75 = 2315
2.50 + 2312.5 = 2315
3.75 + 2311.25 = 2315
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 2315?", it may be more interesting to set some criteria to limit the result. We will set the follow criteria:

1) Only positive whole numbers can add up to 2315. (0 is not a positive or negative number and should not be included.)

2) Since a+b=29 is the same as b+a=29, we should only list it once.

Now, the answer to "What two numbers add up to 2315?" has 1157 answers:

1 + 2314 = 2315
2 + 2313 = 2315
3 + 2312 = 2315
.
.
1155 + 1160 = 2315
1156 + 1159 = 2315
1157 + 1158 = 2315

We have truncated the list above due to space, but you may be interested to know that we calculated the number of answers by dividing 2315 by 2 and then rounded down to the nearest whole number if necessary.

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What two numbers add up to 2316?
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