A:
Positive:
1 x 15886216741 x 387468743 x 3694469251 x 632917359 x 4425131763 x 9010910291 x 1543710793 x 14719
Negative:
-1 x -158862167-41 x -3874687-43 x -3694469-251 x -632917-359 x -442513-1763 x -90109-10291 x -15437-10793 x -14719
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 158,862,167, 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 | 158,862,167 | |
| -1 | -158,862,167 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 158,862,167.
Example:
1 x 158,862,167 = 158,862,167
and
-1 x -158,862,167 = 158,862,167
Notice both answers equal 158,862,167
With that explanation out of the way, let's continue. Next, we take the number 158,862,167 and divide it by 2:
158,862,167 ÷ 2 = 79,431,083.5
If the quotient is a whole number, then 2 and 79,431,083.5 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 | 158,862,167 | |
| -1 | -158,862,167 |
Now, we try dividing 158,862,167 by 3:
158,862,167 ÷ 3 = 52,954,055.6667
If the quotient is a whole number, then 3 and 52,954,055.6667 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 | 158,862,167 | |
| -1 | -158,862,167 |
Let's try dividing by 4:
158,862,167 ÷ 4 = 39,715,541.75
If the quotient is a whole number, then 4 and 39,715,541.75 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 | 158,862,167 | |
| -1 | 158,862,167 |
If you did it right, you will end up with this table:
| 1 | 41 | 43 | 251 | 359 | 1,763 | 10,291 | 10,793 | 14,719 | 15,437 | 90,109 | 442,513 | 632,917 | 3,694,469 | 3,874,687 | 158,862,167 |
| -1 | -41 | -43 | -251 | -359 | -1,763 | -10,291 | -10,793 | -14,719 | -15,437 | -90,109 | -442,513 | -632,917 | -3,694,469 | -3,874,687 | -158,862,167 |
Here are some more numbers to try:
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