A:
Positive:
1 x 2225134255 x 4450268517 x 1308902525 x 890053785 x 2617805383 x 580975425 x 5235611367 x 1627751915 x 1161956511 x 341756835 x 325559575 x 23239
Negative:
-1 x -222513425-5 x -44502685-17 x -13089025-25 x -8900537-85 x -2617805-383 x -580975-425 x -523561-1367 x -162775-1915 x -116195-6511 x -34175-6835 x -32555-9575 x -23239
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 222,513,425, 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 | 222,513,425 | |
| -1 | -222,513,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 222,513,425.
Example:
1 x 222,513,425 = 222,513,425
and
-1 x -222,513,425 = 222,513,425
Notice both answers equal 222,513,425
With that explanation out of the way, let's continue. Next, we take the number 222,513,425 and divide it by 2:
222,513,425 ÷ 2 = 111,256,712.5
If the quotient is a whole number, then 2 and 111,256,712.5 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 | 222,513,425 | |
| -1 | -222,513,425 |
Now, we try dividing 222,513,425 by 3:
222,513,425 ÷ 3 = 74,171,141.6667
If the quotient is a whole number, then 3 and 74,171,141.6667 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 | 222,513,425 | |
| -1 | -222,513,425 |
Let's try dividing by 4:
222,513,425 ÷ 4 = 55,628,356.25
If the quotient is a whole number, then 4 and 55,628,356.25 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 | 222,513,425 | |
| -1 | 222,513,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 25 | 85 | 383 | 425 | 1,367 | 1,915 | 6,511 | 6,835 | 9,575 | 23,239 | 32,555 | 34,175 | 116,195 | 162,775 | 523,561 | 580,975 | 2,617,805 | 8,900,537 | 13,089,025 | 44,502,685 | 222,513,425 |
| -1 | -5 | -17 | -25 | -85 | -383 | -425 | -1,367 | -1,915 | -6,511 | -6,835 | -9,575 | -23,239 | -32,555 | -34,175 | -116,195 | -162,775 | -523,561 | -580,975 | -2,617,805 | -8,900,537 | -13,089,025 | -44,502,685 | -222,513,425 |
Here are some more numbers to try:
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