A:
Positive:
1 x 8436241319 x 444012723 x 366793171 x 1188203437 x 1930491349 x 625371633 x 516612719 x 31027
Negative:
-1 x -84362413-19 x -4440127-23 x -3667931-71 x -1188203-437 x -193049-1349 x -62537-1633 x -51661-2719 x -31027
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 84,362,413, 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 | 84,362,413 | |
| -1 | -84,362,413 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 84,362,413.
Example:
1 x 84,362,413 = 84,362,413
and
-1 x -84,362,413 = 84,362,413
Notice both answers equal 84,362,413
With that explanation out of the way, let's continue. Next, we take the number 84,362,413 and divide it by 2:
84,362,413 ÷ 2 = 42,181,206.5
If the quotient is a whole number, then 2 and 42,181,206.5 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 | 84,362,413 | |
| -1 | -84,362,413 |
Now, we try dividing 84,362,413 by 3:
84,362,413 ÷ 3 = 28,120,804.3333
If the quotient is a whole number, then 3 and 28,120,804.3333 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 | 84,362,413 | |
| -1 | -84,362,413 |
Let's try dividing by 4:
84,362,413 ÷ 4 = 21,090,603.25
If the quotient is a whole number, then 4 and 21,090,603.25 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 | 84,362,413 | |
| -1 | 84,362,413 |
If you did it right, you will end up with this table:
| 1 | 19 | 23 | 71 | 437 | 1,349 | 1,633 | 2,719 | 31,027 | 51,661 | 62,537 | 193,049 | 1,188,203 | 3,667,931 | 4,440,127 | 84,362,413 |
| -1 | -19 | -23 | -71 | -437 | -1,349 | -1,633 | -2,719 | -31,027 | -51,661 | -62,537 | -193,049 | -1,188,203 | -3,667,931 | -4,440,127 | -84,362,413 |
Here are some more numbers to try:
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