A:
Positive:
1 x 2224122555 x 4448245113 x 1710863565 x 342172779 x 2815345395 x 5630691027 x 2165655135 x 43313
Negative:
-1 x -222412255-5 x -44482451-13 x -17108635-65 x -3421727-79 x -2815345-395 x -563069-1027 x -216565-5135 x -43313
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 222,412,255, 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 | 222,412,255 | |
| -1 | -222,412,255 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 222,412,255.
Example:
1 x 222,412,255 = 222,412,255
and
-1 x -222,412,255 = 222,412,255
Notice both answers equal 222,412,255
With that explanation out of the way, let's continue. Next, we take the number 222,412,255 and divide it by 2:
222,412,255 ÷ 2 = 111,206,127.5
If the quotient is a whole number, then 2 and 111,206,127.5 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 | 222,412,255 | |
| -1 | -222,412,255 |
Now, we try dividing 222,412,255 by 3:
222,412,255 ÷ 3 = 74,137,418.3333
If the quotient is a whole number, then 3 and 74,137,418.3333 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 | 222,412,255 | |
| -1 | -222,412,255 |
Let's try dividing by 4:
222,412,255 ÷ 4 = 55,603,063.75
If the quotient is a whole number, then 4 and 55,603,063.75 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 | 222,412,255 | |
| -1 | 222,412,255 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 79 | 395 | 1,027 | 5,135 | 43,313 | 216,565 | 563,069 | 2,815,345 | 3,421,727 | 17,108,635 | 44,482,451 | 222,412,255 |
| -1 | -5 | -13 | -65 | -79 | -395 | -1,027 | -5,135 | -43,313 | -216,565 | -563,069 | -2,815,345 | -3,421,727 | -17,108,635 | -44,482,451 | -222,412,255 |
Here are some more numbers to try:
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