A:
Positive:
1 x 561005055 x 1122010141 x 1368305205 x 273661283 x 198235967 x 580151415 x 396474835 x 11603
Negative:
-1 x -56100505-5 x -11220101-41 x -1368305-205 x -273661-283 x -198235-967 x -58015-1415 x -39647-4835 x -11603
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 56,100,505, 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 | 56,100,505 | |
| -1 | -56,100,505 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 56,100,505.
Example:
1 x 56,100,505 = 56,100,505
and
-1 x -56,100,505 = 56,100,505
Notice both answers equal 56,100,505
With that explanation out of the way, let's continue. Next, we take the number 56,100,505 and divide it by 2:
56,100,505 ÷ 2 = 28,050,252.5
If the quotient is a whole number, then 2 and 28,050,252.5 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 | 56,100,505 | |
| -1 | -56,100,505 |
Now, we try dividing 56,100,505 by 3:
56,100,505 ÷ 3 = 18,700,168.3333
If the quotient is a whole number, then 3 and 18,700,168.3333 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 | 56,100,505 | |
| -1 | -56,100,505 |
Let's try dividing by 4:
56,100,505 ÷ 4 = 14,025,126.25
If the quotient is a whole number, then 4 and 14,025,126.25 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 | 56,100,505 | |
| -1 | 56,100,505 |
If you did it right, you will end up with this table:
| 1 | 5 | 41 | 205 | 283 | 967 | 1,415 | 4,835 | 11,603 | 39,647 | 58,015 | 198,235 | 273,661 | 1,368,305 | 11,220,101 | 56,100,505 |
| -1 | -5 | -41 | -205 | -283 | -967 | -1,415 | -4,835 | -11,603 | -39,647 | -58,015 | -198,235 | -273,661 | -1,368,305 | -11,220,101 | -56,100,505 |
Here are some more numbers to try:
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