A:
Positive:
1 x 5517568497 x 7882240759 x 935181173 x 7558313413 x 1335973511 x 10797594307 x 12810718301 x 30149
Negative:
-1 x -551756849-7 x -78822407-59 x -9351811-73 x -7558313-413 x -1335973-511 x -1079759-4307 x -128107-18301 x -30149
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 551,756,849, 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 | 551,756,849 | |
| -1 | -551,756,849 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 551,756,849.
Example:
1 x 551,756,849 = 551,756,849
and
-1 x -551,756,849 = 551,756,849
Notice both answers equal 551,756,849
With that explanation out of the way, let's continue. Next, we take the number 551,756,849 and divide it by 2:
551,756,849 ÷ 2 = 275,878,424.5
If the quotient is a whole number, then 2 and 275,878,424.5 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 | 551,756,849 | |
| -1 | -551,756,849 |
Now, we try dividing 551,756,849 by 3:
551,756,849 ÷ 3 = 183,918,949.6667
If the quotient is a whole number, then 3 and 183,918,949.6667 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 | 551,756,849 | |
| -1 | -551,756,849 |
Let's try dividing by 4:
551,756,849 ÷ 4 = 137,939,212.25
If the quotient is a whole number, then 4 and 137,939,212.25 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 | 551,756,849 | |
| -1 | 551,756,849 |
If you did it right, you will end up with this table:
| 1 | 7 | 59 | 73 | 413 | 511 | 4,307 | 18,301 | 30,149 | 128,107 | 1,079,759 | 1,335,973 | 7,558,313 | 9,351,811 | 78,822,407 | 551,756,849 |
| -1 | -7 | -59 | -73 | -413 | -511 | -4,307 | -18,301 | -30,149 | -128,107 | -1,079,759 | -1,335,973 | -7,558,313 | -9,351,811 | -78,822,407 | -551,756,849 |
Here are some more numbers to try:
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