A:
Positive:
1 x 61573046317 x 3621943931 x 19862273227 x 2712469527 x 11683693859 x 1595575147 x 1196297037 x 87499
Negative:
-1 x -615730463-17 x -36219439-31 x -19862273-227 x -2712469-527 x -1168369-3859 x -159557-5147 x -119629-7037 x -87499
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 615,730,463, 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 | 615,730,463 | |
| -1 | -615,730,463 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 615,730,463.
Example:
1 x 615,730,463 = 615,730,463
and
-1 x -615,730,463 = 615,730,463
Notice both answers equal 615,730,463
With that explanation out of the way, let's continue. Next, we take the number 615,730,463 and divide it by 2:
615,730,463 ÷ 2 = 307,865,231.5
If the quotient is a whole number, then 2 and 307,865,231.5 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 | 615,730,463 | |
| -1 | -615,730,463 |
Now, we try dividing 615,730,463 by 3:
615,730,463 ÷ 3 = 205,243,487.6667
If the quotient is a whole number, then 3 and 205,243,487.6667 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 | 615,730,463 | |
| -1 | -615,730,463 |
Let's try dividing by 4:
615,730,463 ÷ 4 = 153,932,615.75
If the quotient is a whole number, then 4 and 153,932,615.75 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 | 615,730,463 | |
| -1 | 615,730,463 |
If you did it right, you will end up with this table:
| 1 | 17 | 31 | 227 | 527 | 3,859 | 5,147 | 7,037 | 87,499 | 119,629 | 159,557 | 1,168,369 | 2,712,469 | 19,862,273 | 36,219,439 | 615,730,463 |
| -1 | -17 | -31 | -227 | -527 | -3,859 | -5,147 | -7,037 | -87,499 | -119,629 | -159,557 | -1,168,369 | -2,712,469 | -19,862,273 | -36,219,439 | -615,730,463 |
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