A:
Positive:
1 x 5146654555 x 102933091197 x 2612515401 x 1283455985 x 5225031303 x 3949852005 x 2566916515 x 78997
Negative:
-1 x -514665455-5 x -102933091-197 x -2612515-401 x -1283455-985 x -522503-1303 x -394985-2005 x -256691-6515 x -78997
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 514,665,455, 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 | 514,665,455 | |
| -1 | -514,665,455 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 514,665,455.
Example:
1 x 514,665,455 = 514,665,455
and
-1 x -514,665,455 = 514,665,455
Notice both answers equal 514,665,455
With that explanation out of the way, let's continue. Next, we take the number 514,665,455 and divide it by 2:
514,665,455 ÷ 2 = 257,332,727.5
If the quotient is a whole number, then 2 and 257,332,727.5 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 | 514,665,455 | |
| -1 | -514,665,455 |
Now, we try dividing 514,665,455 by 3:
514,665,455 ÷ 3 = 171,555,151.6667
If the quotient is a whole number, then 3 and 171,555,151.6667 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 | 514,665,455 | |
| -1 | -514,665,455 |
Let's try dividing by 4:
514,665,455 ÷ 4 = 128,666,363.75
If the quotient is a whole number, then 4 and 128,666,363.75 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 | 514,665,455 | |
| -1 | 514,665,455 |
If you did it right, you will end up with this table:
| 1 | 5 | 197 | 401 | 985 | 1,303 | 2,005 | 6,515 | 78,997 | 256,691 | 394,985 | 522,503 | 1,283,455 | 2,612,515 | 102,933,091 | 514,665,455 |
| -1 | -5 | -197 | -401 | -985 | -1,303 | -2,005 | -6,515 | -78,997 | -256,691 | -394,985 | -522,503 | -1,283,455 | -2,612,515 | -102,933,091 | -514,665,455 |
Here are some more numbers to try:
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