A:
Positive:
1 x 571231155 x 114246237 x 816044535 x 1632089997 x 572951637 x 348954985 x 114596979 x 8185
Negative:
-1 x -57123115-5 x -11424623-7 x -8160445-35 x -1632089-997 x -57295-1637 x -34895-4985 x -11459-6979 x -8185
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 57,123,115, 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 | 57,123,115 | |
| -1 | -57,123,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 57,123,115.
Example:
1 x 57,123,115 = 57,123,115
and
-1 x -57,123,115 = 57,123,115
Notice both answers equal 57,123,115
With that explanation out of the way, let's continue. Next, we take the number 57,123,115 and divide it by 2:
57,123,115 ÷ 2 = 28,561,557.5
If the quotient is a whole number, then 2 and 28,561,557.5 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 | 57,123,115 | |
| -1 | -57,123,115 |
Now, we try dividing 57,123,115 by 3:
57,123,115 ÷ 3 = 19,041,038.3333
If the quotient is a whole number, then 3 and 19,041,038.3333 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 | 57,123,115 | |
| -1 | -57,123,115 |
Let's try dividing by 4:
57,123,115 ÷ 4 = 14,280,778.75
If the quotient is a whole number, then 4 and 14,280,778.75 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 | 57,123,115 | |
| -1 | 57,123,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 997 | 1,637 | 4,985 | 6,979 | 8,185 | 11,459 | 34,895 | 57,295 | 1,632,089 | 8,160,445 | 11,424,623 | 57,123,115 |
| -1 | -5 | -7 | -35 | -997 | -1,637 | -4,985 | -6,979 | -8,185 | -11,459 | -34,895 | -57,295 | -1,632,089 | -8,160,445 | -11,424,623 | -57,123,115 |
Here are some more numbers to try:
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