A:
Positive:
1 x 55502015319 x 2921158723 x 24131311437 x 1270069727 x 7634391747 x 31769913813 x 4018116721 x 33193
Negative:
-1 x -555020153-19 x -29211587-23 x -24131311-437 x -1270069-727 x -763439-1747 x -317699-13813 x -40181-16721 x -33193
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 555,020,153, 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 | 555,020,153 | |
| -1 | -555,020,153 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 555,020,153.
Example:
1 x 555,020,153 = 555,020,153
and
-1 x -555,020,153 = 555,020,153
Notice both answers equal 555,020,153
With that explanation out of the way, let's continue. Next, we take the number 555,020,153 and divide it by 2:
555,020,153 ÷ 2 = 277,510,076.5
If the quotient is a whole number, then 2 and 277,510,076.5 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 | 555,020,153 | |
| -1 | -555,020,153 |
Now, we try dividing 555,020,153 by 3:
555,020,153 ÷ 3 = 185,006,717.6667
If the quotient is a whole number, then 3 and 185,006,717.6667 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 | 555,020,153 | |
| -1 | -555,020,153 |
Let's try dividing by 4:
555,020,153 ÷ 4 = 138,755,038.25
If the quotient is a whole number, then 4 and 138,755,038.25 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 | 555,020,153 | |
| -1 | 555,020,153 |
If you did it right, you will end up with this table:
| 1 | 19 | 23 | 437 | 727 | 1,747 | 13,813 | 16,721 | 33,193 | 40,181 | 317,699 | 763,439 | 1,270,069 | 24,131,311 | 29,211,587 | 555,020,153 |
| -1 | -19 | -23 | -437 | -727 | -1,747 | -13,813 | -16,721 | -33,193 | -40,181 | -317,699 | -763,439 | -1,270,069 | -24,131,311 | -29,211,587 | -555,020,153 |
Here are some more numbers to try:
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