A:
Positive:
1 x 8428741113 x 648364717 x 4958083109 x 773279221 x 3813911417 x 594831853 x 454873499 x 24089
Negative:
-1 x -84287411-13 x -6483647-17 x -4958083-109 x -773279-221 x -381391-1417 x -59483-1853 x -45487-3499 x -24089
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 84,287,411, 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 | 84,287,411 | |
| -1 | -84,287,411 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 84,287,411.
Example:
1 x 84,287,411 = 84,287,411
and
-1 x -84,287,411 = 84,287,411
Notice both answers equal 84,287,411
With that explanation out of the way, let's continue. Next, we take the number 84,287,411 and divide it by 2:
84,287,411 ÷ 2 = 42,143,705.5
If the quotient is a whole number, then 2 and 42,143,705.5 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 | 84,287,411 | |
| -1 | -84,287,411 |
Now, we try dividing 84,287,411 by 3:
84,287,411 ÷ 3 = 28,095,803.6667
If the quotient is a whole number, then 3 and 28,095,803.6667 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 | 84,287,411 | |
| -1 | -84,287,411 |
Let's try dividing by 4:
84,287,411 ÷ 4 = 21,071,852.75
If the quotient is a whole number, then 4 and 21,071,852.75 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 | 84,287,411 | |
| -1 | 84,287,411 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 109 | 221 | 1,417 | 1,853 | 3,499 | 24,089 | 45,487 | 59,483 | 381,391 | 773,279 | 4,958,083 | 6,483,647 | 84,287,411 |
| -1 | -13 | -17 | -109 | -221 | -1,417 | -1,853 | -3,499 | -24,089 | -45,487 | -59,483 | -381,391 | -773,279 | -4,958,083 | -6,483,647 | -84,287,411 |
Here are some more numbers to try:
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