A:
Positive:
1 x 1862050855 x 3724101711 x 1692773529 x 642086555 x 3385547121 x 1538885145 x 1284173319 x 583715605 x 3077771595 x 1167433509 x 5306510613 x 17545
Negative:
-1 x -186205085-5 x -37241017-11 x -16927735-29 x -6420865-55 x -3385547-121 x -1538885-145 x -1284173-319 x -583715-605 x -307777-1595 x -116743-3509 x -53065-10613 x -17545
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 186,205,085, 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 | 186,205,085 | |
| -1 | -186,205,085 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 186,205,085.
Example:
1 x 186,205,085 = 186,205,085
and
-1 x -186,205,085 = 186,205,085
Notice both answers equal 186,205,085
With that explanation out of the way, let's continue. Next, we take the number 186,205,085 and divide it by 2:
186,205,085 ÷ 2 = 93,102,542.5
If the quotient is a whole number, then 2 and 93,102,542.5 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 | 186,205,085 | |
| -1 | -186,205,085 |
Now, we try dividing 186,205,085 by 3:
186,205,085 ÷ 3 = 62,068,361.6667
If the quotient is a whole number, then 3 and 62,068,361.6667 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 | 186,205,085 | |
| -1 | -186,205,085 |
Let's try dividing by 4:
186,205,085 ÷ 4 = 46,551,271.25
If the quotient is a whole number, then 4 and 46,551,271.25 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 | 186,205,085 | |
| -1 | 186,205,085 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 29 | 55 | 121 | 145 | 319 | 605 | 1,595 | 3,509 | 10,613 | 17,545 | 53,065 | 116,743 | 307,777 | 583,715 | 1,284,173 | 1,538,885 | 3,385,547 | 6,420,865 | 16,927,735 | 37,241,017 | 186,205,085 |
| -1 | -5 | -11 | -29 | -55 | -121 | -145 | -319 | -605 | -1,595 | -3,509 | -10,613 | -17,545 | -53,065 | -116,743 | -307,777 | -583,715 | -1,284,173 | -1,538,885 | -3,385,547 | -6,420,865 | -16,927,735 | -37,241,017 | -186,205,085 |
Here are some more numbers to try:
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