A:
Positive:
1 x 5406440455 x 108128809337 x 1604285499 x 1083455643 x 8408151685 x 3208572495 x 2166913215 x 168163
Negative:
-1 x -540644045-5 x -108128809-337 x -1604285-499 x -1083455-643 x -840815-1685 x -320857-2495 x -216691-3215 x -168163
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 540,644,045, 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 | 540,644,045 | |
| -1 | -540,644,045 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 540,644,045.
Example:
1 x 540,644,045 = 540,644,045
and
-1 x -540,644,045 = 540,644,045
Notice both answers equal 540,644,045
With that explanation out of the way, let's continue. Next, we take the number 540,644,045 and divide it by 2:
540,644,045 ÷ 2 = 270,322,022.5
If the quotient is a whole number, then 2 and 270,322,022.5 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 | 540,644,045 | |
| -1 | -540,644,045 |
Now, we try dividing 540,644,045 by 3:
540,644,045 ÷ 3 = 180,214,681.6667
If the quotient is a whole number, then 3 and 180,214,681.6667 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 | 540,644,045 | |
| -1 | -540,644,045 |
Let's try dividing by 4:
540,644,045 ÷ 4 = 135,161,011.25
If the quotient is a whole number, then 4 and 135,161,011.25 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 | 540,644,045 | |
| -1 | 540,644,045 |
If you did it right, you will end up with this table:
| 1 | 5 | 337 | 499 | 643 | 1,685 | 2,495 | 3,215 | 168,163 | 216,691 | 320,857 | 840,815 | 1,083,455 | 1,604,285 | 108,128,809 | 540,644,045 |
| -1 | -5 | -337 | -499 | -643 | -1,685 | -2,495 | -3,215 | -168,163 | -216,691 | -320,857 | -840,815 | -1,083,455 | -1,604,285 | -108,128,809 | -540,644,045 |
Here are some more numbers to try:
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