A:
Positive:
1 x 1255345555 x 2510691179 x 1589045283 x 443585395 x 3178091123 x 1117851415 x 887175615 x 22357
Negative:
-1 x -125534555-5 x -25106911-79 x -1589045-283 x -443585-395 x -317809-1123 x -111785-1415 x -88717-5615 x -22357
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 125,534,555, 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 | 125,534,555 | |
| -1 | -125,534,555 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 125,534,555.
Example:
1 x 125,534,555 = 125,534,555
and
-1 x -125,534,555 = 125,534,555
Notice both answers equal 125,534,555
With that explanation out of the way, let's continue. Next, we take the number 125,534,555 and divide it by 2:
125,534,555 ÷ 2 = 62,767,277.5
If the quotient is a whole number, then 2 and 62,767,277.5 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 | 125,534,555 | |
| -1 | -125,534,555 |
Now, we try dividing 125,534,555 by 3:
125,534,555 ÷ 3 = 41,844,851.6667
If the quotient is a whole number, then 3 and 41,844,851.6667 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 | 125,534,555 | |
| -1 | -125,534,555 |
Let's try dividing by 4:
125,534,555 ÷ 4 = 31,383,638.75
If the quotient is a whole number, then 4 and 31,383,638.75 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 | 125,534,555 | |
| -1 | 125,534,555 |
If you did it right, you will end up with this table:
| 1 | 5 | 79 | 283 | 395 | 1,123 | 1,415 | 5,615 | 22,357 | 88,717 | 111,785 | 317,809 | 443,585 | 1,589,045 | 25,106,911 | 125,534,555 |
| -1 | -5 | -79 | -283 | -395 | -1,123 | -1,415 | -5,615 | -22,357 | -88,717 | -111,785 | -317,809 | -443,585 | -1,589,045 | -25,106,911 | -125,534,555 |
Here are some more numbers to try:
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