A:
Positive:
1 x 55134314313 x 4241101123 x 23971441101 x 5458843299 x 18439571313 x 4199112323 x 23734118257 x 30199
Negative:
-1 x -551343143-13 x -42411011-23 x -23971441-101 x -5458843-299 x -1843957-1313 x -419911-2323 x -237341-18257 x -30199
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 551,343,143, 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 | 551,343,143 | |
| -1 | -551,343,143 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 551,343,143.
Example:
1 x 551,343,143 = 551,343,143
and
-1 x -551,343,143 = 551,343,143
Notice both answers equal 551,343,143
With that explanation out of the way, let's continue. Next, we take the number 551,343,143 and divide it by 2:
551,343,143 ÷ 2 = 275,671,571.5
If the quotient is a whole number, then 2 and 275,671,571.5 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 | 551,343,143 | |
| -1 | -551,343,143 |
Now, we try dividing 551,343,143 by 3:
551,343,143 ÷ 3 = 183,781,047.6667
If the quotient is a whole number, then 3 and 183,781,047.6667 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 | 551,343,143 | |
| -1 | -551,343,143 |
Let's try dividing by 4:
551,343,143 ÷ 4 = 137,835,785.75
If the quotient is a whole number, then 4 and 137,835,785.75 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 | 551,343,143 | |
| -1 | 551,343,143 |
If you did it right, you will end up with this table:
| 1 | 13 | 23 | 101 | 299 | 1,313 | 2,323 | 18,257 | 30,199 | 237,341 | 419,911 | 1,843,957 | 5,458,843 | 23,971,441 | 42,411,011 | 551,343,143 |
| -1 | -13 | -23 | -101 | -299 | -1,313 | -2,323 | -18,257 | -30,199 | -237,341 | -419,911 | -1,843,957 | -5,458,843 | -23,971,441 | -42,411,011 | -551,343,143 |
Here are some more numbers to try:
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