What two numbers add up to 2644?

There are infinite combinations of two numbers that add up to 2644. Here are some examples using negative numbers:

-1 + 2645 = 2644
-2 + 2646 = 2644
-3 + 2647 = 2644
...

Here are some examples using two fractions that will add up to 2644:

2644/2 + 2644/2 = 2644
5288/3 + 2644/3 = 2644
7932/4 + 2644/4 = 2644
...

And here are some examples using two decimal numbers that will add up to 2644:

1.25 + 2642.75 = 2644
2.50 + 2641.5 = 2644
3.75 + 2640.25 = 2644
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 2644?", 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 2644. (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 2644?" has 1322 answers:

1 + 2643 = 2644
2 + 2642 = 2644
3 + 2641 = 2644
.
.
1320 + 1324 = 2644
1321 + 1323 = 2644
1322 + 1322 = 2644

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 2644 by 2 and then rounded down to the nearest whole number if necessary.

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