A:
Positive:
1 x 6632361555 x 132647231173 x 3833735199 x 3332845865 x 766747995 x 6665693853 x 17213519265 x 34427
Negative:
-1 x -663236155-5 x -132647231-173 x -3833735-199 x -3332845-865 x -766747-995 x -666569-3853 x -172135-19265 x -34427
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 663,236,155, 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 | 663,236,155 | |
| -1 | -663,236,155 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 663,236,155.
Example:
1 x 663,236,155 = 663,236,155
and
-1 x -663,236,155 = 663,236,155
Notice both answers equal 663,236,155
With that explanation out of the way, let's continue. Next, we take the number 663,236,155 and divide it by 2:
663,236,155 ÷ 2 = 331,618,077.5
If the quotient is a whole number, then 2 and 331,618,077.5 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 | 663,236,155 | |
| -1 | -663,236,155 |
Now, we try dividing 663,236,155 by 3:
663,236,155 ÷ 3 = 221,078,718.3333
If the quotient is a whole number, then 3 and 221,078,718.3333 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 | 663,236,155 | |
| -1 | -663,236,155 |
Let's try dividing by 4:
663,236,155 ÷ 4 = 165,809,038.75
If the quotient is a whole number, then 4 and 165,809,038.75 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 | 663,236,155 | |
| -1 | 663,236,155 |
If you did it right, you will end up with this table:
| 1 | 5 | 173 | 199 | 865 | 995 | 3,853 | 19,265 | 34,427 | 172,135 | 666,569 | 766,747 | 3,332,845 | 3,833,735 | 132,647,231 | 663,236,155 |
| -1 | -5 | -173 | -199 | -865 | -995 | -3,853 | -19,265 | -34,427 | -172,135 | -666,569 | -766,747 | -3,332,845 | -3,833,735 | -132,647,231 | -663,236,155 |
Here are some more numbers to try:
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