A:
Positive:
1 x 5551243113 x 427018779 x 702689191 x 290641283 x 1961571027 x 540532483 x 223573679 x 15089
Negative:
-1 x -55512431-13 x -4270187-79 x -702689-191 x -290641-283 x -196157-1027 x -54053-2483 x -22357-3679 x -15089
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 55,512,431, 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 | 55,512,431 | |
| -1 | -55,512,431 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 55,512,431.
Example:
1 x 55,512,431 = 55,512,431
and
-1 x -55,512,431 = 55,512,431
Notice both answers equal 55,512,431
With that explanation out of the way, let's continue. Next, we take the number 55,512,431 and divide it by 2:
55,512,431 ÷ 2 = 27,756,215.5
If the quotient is a whole number, then 2 and 27,756,215.5 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 | 55,512,431 | |
| -1 | -55,512,431 |
Now, we try dividing 55,512,431 by 3:
55,512,431 ÷ 3 = 18,504,143.6667
If the quotient is a whole number, then 3 and 18,504,143.6667 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 | 55,512,431 | |
| -1 | -55,512,431 |
Let's try dividing by 4:
55,512,431 ÷ 4 = 13,878,107.75
If the quotient is a whole number, then 4 and 13,878,107.75 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 | 55,512,431 | |
| -1 | 55,512,431 |
If you did it right, you will end up with this table:
| 1 | 13 | 79 | 191 | 283 | 1,027 | 2,483 | 3,679 | 15,089 | 22,357 | 54,053 | 196,157 | 290,641 | 702,689 | 4,270,187 | 55,512,431 |
| -1 | -13 | -79 | -191 | -283 | -1,027 | -2,483 | -3,679 | -15,089 | -22,357 | -54,053 | -196,157 | -290,641 | -702,689 | -4,270,187 | -55,512,431 |
Here are some more numbers to try:
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