A:
Positive:
1 x 8486242713 x 652787973 x 1162499223 x 380549401 x 211627949 x 894232899 x 292735213 x 16279
Negative:
-1 x -84862427-13 x -6527879-73 x -1162499-223 x -380549-401 x -211627-949 x -89423-2899 x -29273-5213 x -16279
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 84,862,427, 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 | 84,862,427 | |
| -1 | -84,862,427 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 84,862,427.
Example:
1 x 84,862,427 = 84,862,427
and
-1 x -84,862,427 = 84,862,427
Notice both answers equal 84,862,427
With that explanation out of the way, let's continue. Next, we take the number 84,862,427 and divide it by 2:
84,862,427 ÷ 2 = 42,431,213.5
If the quotient is a whole number, then 2 and 42,431,213.5 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 | 84,862,427 | |
| -1 | -84,862,427 |
Now, we try dividing 84,862,427 by 3:
84,862,427 ÷ 3 = 28,287,475.6667
If the quotient is a whole number, then 3 and 28,287,475.6667 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 | 84,862,427 | |
| -1 | -84,862,427 |
Let's try dividing by 4:
84,862,427 ÷ 4 = 21,215,606.75
If the quotient is a whole number, then 4 and 21,215,606.75 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 | 84,862,427 | |
| -1 | 84,862,427 |
If you did it right, you will end up with this table:
| 1 | 13 | 73 | 223 | 401 | 949 | 2,899 | 5,213 | 16,279 | 29,273 | 89,423 | 211,627 | 380,549 | 1,162,499 | 6,527,879 | 84,862,427 |
| -1 | -13 | -73 | -223 | -401 | -949 | -2,899 | -5,213 | -16,279 | -29,273 | -89,423 | -211,627 | -380,549 | -1,162,499 | -6,527,879 | -84,862,427 |
Here are some more numbers to try:
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