A:
Positive:
1 x 2603662113 x 200281723 x 113202731 x 83989153 x 491257299 x 87079403 x 64607689 x 37789713 x 365171219 x 213591643 x 158472809 x 9269
Negative:
-1 x -26036621-13 x -2002817-23 x -1132027-31 x -839891-53 x -491257-299 x -87079-403 x -64607-689 x -37789-713 x -36517-1219 x -21359-1643 x -15847-2809 x -9269
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 26,036,621, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 26,036,621 | |
| -1 | -26,036,621 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,036,621.
Example:
1 x 26,036,621 = 26,036,621
and
-1 x -26,036,621 = 26,036,621
Notice both answers equal 26,036,621
With that explanation out of the way, let's continue. Next, we take the number 26,036,621 and divide it by 2:
26,036,621 ÷ 2 = 13,018,310.5
If the quotient is a whole number, then 2 and 13,018,310.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 26,036,621 | |
| -1 | -26,036,621 |
Now, we try dividing 26,036,621 by 3:
26,036,621 ÷ 3 = 8,678,873.6667
If the quotient is a whole number, then 3 and 8,678,873.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 26,036,621 | |
| -1 | -26,036,621 |
Let's try dividing by 4:
26,036,621 ÷ 4 = 6,509,155.25
If the quotient is a whole number, then 4 and 6,509,155.25 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 26,036,621 | |
| -1 | 26,036,621 |
If you did it right, you will end up with this table:
| 1 | 13 | 23 | 31 | 53 | 299 | 403 | 689 | 713 | 1,219 | 1,643 | 2,809 | 9,269 | 15,847 | 21,359 | 36,517 | 37,789 | 64,607 | 87,079 | 491,257 | 839,891 | 1,132,027 | 2,002,817 | 26,036,621 |
| -1 | -13 | -23 | -31 | -53 | -299 | -403 | -689 | -713 | -1,219 | -1,643 | -2,809 | -9,269 | -15,847 | -21,359 | -36,517 | -37,789 | -64,607 | -87,079 | -491,257 | -839,891 | -1,132,027 | -2,002,817 | -26,036,621 |
Here are some more numbers to try:
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