A:
Positive:
1 x 5881272111 x 534661137 x 158953383 x 708587407 x 144503913 x 644171741 x 337813071 x 19151
Negative:
-1 x -58812721-11 x -5346611-37 x -1589533-83 x -708587-407 x -144503-913 x -64417-1741 x -33781-3071 x -19151
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 58,812,721, 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 | 58,812,721 | |
| -1 | -58,812,721 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 58,812,721.
Example:
1 x 58,812,721 = 58,812,721
and
-1 x -58,812,721 = 58,812,721
Notice both answers equal 58,812,721
With that explanation out of the way, let's continue. Next, we take the number 58,812,721 and divide it by 2:
58,812,721 ÷ 2 = 29,406,360.5
If the quotient is a whole number, then 2 and 29,406,360.5 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 | 58,812,721 | |
| -1 | -58,812,721 |
Now, we try dividing 58,812,721 by 3:
58,812,721 ÷ 3 = 19,604,240.3333
If the quotient is a whole number, then 3 and 19,604,240.3333 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 | 58,812,721 | |
| -1 | -58,812,721 |
Let's try dividing by 4:
58,812,721 ÷ 4 = 14,703,180.25
If the quotient is a whole number, then 4 and 14,703,180.25 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 | 58,812,721 | |
| -1 | 58,812,721 |
If you did it right, you will end up with this table:
| 1 | 11 | 37 | 83 | 407 | 913 | 1,741 | 3,071 | 19,151 | 33,781 | 64,417 | 144,503 | 708,587 | 1,589,533 | 5,346,611 | 58,812,721 |
| -1 | -11 | -37 | -83 | -407 | -913 | -1,741 | -3,071 | -19,151 | -33,781 | -64,417 | -144,503 | -708,587 | -1,589,533 | -5,346,611 | -58,812,721 |
Here are some more numbers to try:
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