A:
Positive:
1 x 1727025655 x 345405137 x 2467179535 x 49343591187 x 1454954157 x 415455935 x 290998309 x 20785
Negative:
-1 x -172702565-5 x -34540513-7 x -24671795-35 x -4934359-1187 x -145495-4157 x -41545-5935 x -29099-8309 x -20785
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 172,702,565, 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 | 172,702,565 | |
| -1 | -172,702,565 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 172,702,565.
Example:
1 x 172,702,565 = 172,702,565
and
-1 x -172,702,565 = 172,702,565
Notice both answers equal 172,702,565
With that explanation out of the way, let's continue. Next, we take the number 172,702,565 and divide it by 2:
172,702,565 ÷ 2 = 86,351,282.5
If the quotient is a whole number, then 2 and 86,351,282.5 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 | 172,702,565 | |
| -1 | -172,702,565 |
Now, we try dividing 172,702,565 by 3:
172,702,565 ÷ 3 = 57,567,521.6667
If the quotient is a whole number, then 3 and 57,567,521.6667 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 | 172,702,565 | |
| -1 | -172,702,565 |
Let's try dividing by 4:
172,702,565 ÷ 4 = 43,175,641.25
If the quotient is a whole number, then 4 and 43,175,641.25 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 | 172,702,565 | |
| -1 | 172,702,565 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 1,187 | 4,157 | 5,935 | 8,309 | 20,785 | 29,099 | 41,545 | 145,495 | 4,934,359 | 24,671,795 | 34,540,513 | 172,702,565 |
| -1 | -5 | -7 | -35 | -1,187 | -4,157 | -5,935 | -8,309 | -20,785 | -29,099 | -41,545 | -145,495 | -4,934,359 | -24,671,795 | -34,540,513 | -172,702,565 |
Here are some more numbers to try:
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