A:
Positive:
1 x 556430055 x 1112860111 x 505845537 x 150386555 x 1011691185 x 300773407 x 136715739 x 752951369 x 406452035 x 273433695 x 150596845 x 8129
Negative:
-1 x -55643005-5 x -11128601-11 x -5058455-37 x -1503865-55 x -1011691-185 x -300773-407 x -136715-739 x -75295-1369 x -40645-2035 x -27343-3695 x -15059-6845 x -8129
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 55,643,005, 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 | 55,643,005 | |
| -1 | -55,643,005 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 55,643,005.
Example:
1 x 55,643,005 = 55,643,005
and
-1 x -55,643,005 = 55,643,005
Notice both answers equal 55,643,005
With that explanation out of the way, let's continue. Next, we take the number 55,643,005 and divide it by 2:
55,643,005 ÷ 2 = 27,821,502.5
If the quotient is a whole number, then 2 and 27,821,502.5 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 | 55,643,005 | |
| -1 | -55,643,005 |
Now, we try dividing 55,643,005 by 3:
55,643,005 ÷ 3 = 18,547,668.3333
If the quotient is a whole number, then 3 and 18,547,668.3333 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 | 55,643,005 | |
| -1 | -55,643,005 |
Let's try dividing by 4:
55,643,005 ÷ 4 = 13,910,751.25
If the quotient is a whole number, then 4 and 13,910,751.25 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 | 55,643,005 | |
| -1 | 55,643,005 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 37 | 55 | 185 | 407 | 739 | 1,369 | 2,035 | 3,695 | 6,845 | 8,129 | 15,059 | 27,343 | 40,645 | 75,295 | 136,715 | 300,773 | 1,011,691 | 1,503,865 | 5,058,455 | 11,128,601 | 55,643,005 |
| -1 | -5 | -11 | -37 | -55 | -185 | -407 | -739 | -1,369 | -2,035 | -3,695 | -6,845 | -8,129 | -15,059 | -27,343 | -40,645 | -75,295 | -136,715 | -300,773 | -1,011,691 | -1,503,865 | -5,058,455 | -11,128,601 | -55,643,005 |
Here are some more numbers to try:
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