A:
Positive:
1 x 2725685655 x 5451371317 x 1603344579 x 345023585 x 3206689395 x 6900471343 x 2029556715 x 40591
Negative:
-1 x -272568565-5 x -54513713-17 x -16033445-79 x -3450235-85 x -3206689-395 x -690047-1343 x -202955-6715 x -40591
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 272,568,565, 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 | 272,568,565 | |
| -1 | -272,568,565 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 272,568,565.
Example:
1 x 272,568,565 = 272,568,565
and
-1 x -272,568,565 = 272,568,565
Notice both answers equal 272,568,565
With that explanation out of the way, let's continue. Next, we take the number 272,568,565 and divide it by 2:
272,568,565 ÷ 2 = 136,284,282.5
If the quotient is a whole number, then 2 and 136,284,282.5 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 | 272,568,565 | |
| -1 | -272,568,565 |
Now, we try dividing 272,568,565 by 3:
272,568,565 ÷ 3 = 90,856,188.3333
If the quotient is a whole number, then 3 and 90,856,188.3333 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 | 272,568,565 | |
| -1 | -272,568,565 |
Let's try dividing by 4:
272,568,565 ÷ 4 = 68,142,141.25
If the quotient is a whole number, then 4 and 68,142,141.25 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 | 272,568,565 | |
| -1 | 272,568,565 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 79 | 85 | 395 | 1,343 | 6,715 | 40,591 | 202,955 | 690,047 | 3,206,689 | 3,450,235 | 16,033,445 | 54,513,713 | 272,568,565 |
| -1 | -5 | -17 | -79 | -85 | -395 | -1,343 | -6,715 | -40,591 | -202,955 | -690,047 | -3,206,689 | -3,450,235 | -16,033,445 | -54,513,713 | -272,568,565 |
Here are some more numbers to try:
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