A:
Positive:
1 x 862463755 x 1724927525 x 344985561 x 1413875125 x 689971305 x 2827751525 x 565557625 x 11311
Negative:
-1 x -86246375-5 x -17249275-25 x -3449855-61 x -1413875-125 x -689971-305 x -282775-1525 x -56555-7625 x -11311
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 86,246,375, 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 | 86,246,375 | |
| -1 | -86,246,375 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 86,246,375.
Example:
1 x 86,246,375 = 86,246,375
and
-1 x -86,246,375 = 86,246,375
Notice both answers equal 86,246,375
With that explanation out of the way, let's continue. Next, we take the number 86,246,375 and divide it by 2:
86,246,375 ÷ 2 = 43,123,187.5
If the quotient is a whole number, then 2 and 43,123,187.5 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 | 86,246,375 | |
| -1 | -86,246,375 |
Now, we try dividing 86,246,375 by 3:
86,246,375 ÷ 3 = 28,748,791.6667
If the quotient is a whole number, then 3 and 28,748,791.6667 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 | 86,246,375 | |
| -1 | -86,246,375 |
Let's try dividing by 4:
86,246,375 ÷ 4 = 21,561,593.75
If the quotient is a whole number, then 4 and 21,561,593.75 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 | 86,246,375 | |
| -1 | 86,246,375 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 61 | 125 | 305 | 1,525 | 7,625 | 11,311 | 56,555 | 282,775 | 689,971 | 1,413,875 | 3,449,855 | 17,249,275 | 86,246,375 |
| -1 | -5 | -25 | -61 | -125 | -305 | -1,525 | -7,625 | -11,311 | -56,555 | -282,775 | -689,971 | -1,413,875 | -3,449,855 | -17,249,275 | -86,246,375 |
Here are some more numbers to try:
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