A:
Positive:
1 x 55136043147 x 1173107353 x 10403027389 x 1417379569 x 9689992491 x 22134118283 x 3015720617 x 26743
Negative:
-1 x -551360431-47 x -11731073-53 x -10403027-389 x -1417379-569 x -968999-2491 x -221341-18283 x -30157-20617 x -26743
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 551,360,431, 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 | 551,360,431 | |
| -1 | -551,360,431 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 551,360,431.
Example:
1 x 551,360,431 = 551,360,431
and
-1 x -551,360,431 = 551,360,431
Notice both answers equal 551,360,431
With that explanation out of the way, let's continue. Next, we take the number 551,360,431 and divide it by 2:
551,360,431 ÷ 2 = 275,680,215.5
If the quotient is a whole number, then 2 and 275,680,215.5 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 | 551,360,431 | |
| -1 | -551,360,431 |
Now, we try dividing 551,360,431 by 3:
551,360,431 ÷ 3 = 183,786,810.3333
If the quotient is a whole number, then 3 and 183,786,810.3333 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 | 551,360,431 | |
| -1 | -551,360,431 |
Let's try dividing by 4:
551,360,431 ÷ 4 = 137,840,107.75
If the quotient is a whole number, then 4 and 137,840,107.75 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 | 551,360,431 | |
| -1 | 551,360,431 |
If you did it right, you will end up with this table:
| 1 | 47 | 53 | 389 | 569 | 2,491 | 18,283 | 20,617 | 26,743 | 30,157 | 221,341 | 968,999 | 1,417,379 | 10,403,027 | 11,731,073 | 551,360,431 |
| -1 | -47 | -53 | -389 | -569 | -2,491 | -18,283 | -20,617 | -26,743 | -30,157 | -221,341 | -968,999 | -1,417,379 | -10,403,027 | -11,731,073 | -551,360,431 |
Here are some more numbers to try:
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