A:
Positive:
1 x 8644910313 x 664993171 x 1217593229 x 377507409 x 211367923 x 936612977 x 290395317 x 16259
Negative:
-1 x -86449103-13 x -6649931-71 x -1217593-229 x -377507-409 x -211367-923 x -93661-2977 x -29039-5317 x -16259
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 86,449,103, 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 | 86,449,103 | |
| -1 | -86,449,103 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 86,449,103.
Example:
1 x 86,449,103 = 86,449,103
and
-1 x -86,449,103 = 86,449,103
Notice both answers equal 86,449,103
With that explanation out of the way, let's continue. Next, we take the number 86,449,103 and divide it by 2:
86,449,103 ÷ 2 = 43,224,551.5
If the quotient is a whole number, then 2 and 43,224,551.5 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 | 86,449,103 | |
| -1 | -86,449,103 |
Now, we try dividing 86,449,103 by 3:
86,449,103 ÷ 3 = 28,816,367.6667
If the quotient is a whole number, then 3 and 28,816,367.6667 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 | 86,449,103 | |
| -1 | -86,449,103 |
Let's try dividing by 4:
86,449,103 ÷ 4 = 21,612,275.75
If the quotient is a whole number, then 4 and 21,612,275.75 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 | 86,449,103 | |
| -1 | 86,449,103 |
If you did it right, you will end up with this table:
| 1 | 13 | 71 | 229 | 409 | 923 | 2,977 | 5,317 | 16,259 | 29,039 | 93,661 | 211,367 | 377,507 | 1,217,593 | 6,649,931 | 86,449,103 |
| -1 | -13 | -71 | -229 | -409 | -923 | -2,977 | -5,317 | -16,259 | -29,039 | -93,661 | -211,367 | -377,507 | -1,217,593 | -6,649,931 | -86,449,103 |
Here are some more numbers to try:
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