A:
Positive:
1 x 551714755 x 1103429525 x 220685931 x 1779725155 x 355945257 x 214675277 x 199175775 x 711891285 x 429351385 x 398356425 x 85876925 x 7967
Negative:
-1 x -55171475-5 x -11034295-25 x -2206859-31 x -1779725-155 x -355945-257 x -214675-277 x -199175-775 x -71189-1285 x -42935-1385 x -39835-6425 x -8587-6925 x -7967
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 55,171,475, 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 | 55,171,475 | |
| -1 | -55,171,475 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 55,171,475.
Example:
1 x 55,171,475 = 55,171,475
and
-1 x -55,171,475 = 55,171,475
Notice both answers equal 55,171,475
With that explanation out of the way, let's continue. Next, we take the number 55,171,475 and divide it by 2:
55,171,475 ÷ 2 = 27,585,737.5
If the quotient is a whole number, then 2 and 27,585,737.5 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 | 55,171,475 | |
| -1 | -55,171,475 |
Now, we try dividing 55,171,475 by 3:
55,171,475 ÷ 3 = 18,390,491.6667
If the quotient is a whole number, then 3 and 18,390,491.6667 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 | 55,171,475 | |
| -1 | -55,171,475 |
Let's try dividing by 4:
55,171,475 ÷ 4 = 13,792,868.75
If the quotient is a whole number, then 4 and 13,792,868.75 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 | 55,171,475 | |
| -1 | 55,171,475 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 31 | 155 | 257 | 277 | 775 | 1,285 | 1,385 | 6,425 | 6,925 | 7,967 | 8,587 | 39,835 | 42,935 | 71,189 | 199,175 | 214,675 | 355,945 | 1,779,725 | 2,206,859 | 11,034,295 | 55,171,475 |
| -1 | -5 | -25 | -31 | -155 | -257 | -277 | -775 | -1,285 | -1,385 | -6,425 | -6,925 | -7,967 | -8,587 | -39,835 | -42,935 | -71,189 | -199,175 | -214,675 | -355,945 | -1,779,725 | -2,206,859 | -11,034,295 | -55,171,475 |
Here are some more numbers to try:
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