A:
Positive:
1 x 5858572119 x 308345971 x 825151137 x 427633317 x 1848131349 x 434292603 x 225076023 x 9727
Negative:
-1 x -58585721-19 x -3083459-71 x -825151-137 x -427633-317 x -184813-1349 x -43429-2603 x -22507-6023 x -9727
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 58,585,721, 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 | 58,585,721 | |
| -1 | -58,585,721 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 58,585,721.
Example:
1 x 58,585,721 = 58,585,721
and
-1 x -58,585,721 = 58,585,721
Notice both answers equal 58,585,721
With that explanation out of the way, let's continue. Next, we take the number 58,585,721 and divide it by 2:
58,585,721 ÷ 2 = 29,292,860.5
If the quotient is a whole number, then 2 and 29,292,860.5 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 | 58,585,721 | |
| -1 | -58,585,721 |
Now, we try dividing 58,585,721 by 3:
58,585,721 ÷ 3 = 19,528,573.6667
If the quotient is a whole number, then 3 and 19,528,573.6667 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 | 58,585,721 | |
| -1 | -58,585,721 |
Let's try dividing by 4:
58,585,721 ÷ 4 = 14,646,430.25
If the quotient is a whole number, then 4 and 14,646,430.25 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 | 58,585,721 | |
| -1 | 58,585,721 |
If you did it right, you will end up with this table:
| 1 | 19 | 71 | 137 | 317 | 1,349 | 2,603 | 6,023 | 9,727 | 22,507 | 43,429 | 184,813 | 427,633 | 825,151 | 3,083,459 | 58,585,721 |
| -1 | -19 | -71 | -137 | -317 | -1,349 | -2,603 | -6,023 | -9,727 | -22,507 | -43,429 | -184,813 | -427,633 | -825,151 | -3,083,459 | -58,585,721 |
Here are some more numbers to try:
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