A:
Positive:
1 x 5512521497 x 7875030717 x 3242659719 x 29013271119 x 4632371133 x 4144753323 x 17066632261 x 243809
Negative:
-1 x -551252149-7 x -78750307-17 x -32426597-19 x -29013271-119 x -4632371-133 x -4144753-323 x -1706663-2261 x -243809
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 551,252,149, 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 | 551,252,149 | |
| -1 | -551,252,149 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 551,252,149.
Example:
1 x 551,252,149 = 551,252,149
and
-1 x -551,252,149 = 551,252,149
Notice both answers equal 551,252,149
With that explanation out of the way, let's continue. Next, we take the number 551,252,149 and divide it by 2:
551,252,149 ÷ 2 = 275,626,074.5
If the quotient is a whole number, then 2 and 275,626,074.5 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 | 551,252,149 | |
| -1 | -551,252,149 |
Now, we try dividing 551,252,149 by 3:
551,252,149 ÷ 3 = 183,750,716.3333
If the quotient is a whole number, then 3 and 183,750,716.3333 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 | 551,252,149 | |
| -1 | -551,252,149 |
Let's try dividing by 4:
551,252,149 ÷ 4 = 137,813,037.25
If the quotient is a whole number, then 4 and 137,813,037.25 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 | 551,252,149 | |
| -1 | 551,252,149 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 19 | 119 | 133 | 323 | 2,261 | 243,809 | 1,706,663 | 4,144,753 | 4,632,371 | 29,013,271 | 32,426,597 | 78,750,307 | 551,252,149 |
| -1 | -7 | -17 | -19 | -119 | -133 | -323 | -2,261 | -243,809 | -1,706,663 | -4,144,753 | -4,632,371 | -29,013,271 | -32,426,597 | -78,750,307 | -551,252,149 |
Here are some more numbers to try:
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