A:
Positive:
1 x 27057405713 x 2081338917 x 15916121221 x 1224317281 x 9628973653 x 740694357 x 621014777 x 56641
Negative:
-1 x -270574057-13 x -20813389-17 x -15916121-221 x -1224317-281 x -962897-3653 x -74069-4357 x -62101-4777 x -56641
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 270,574,057, 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 | 270,574,057 | |
| -1 | -270,574,057 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 270,574,057.
Example:
1 x 270,574,057 = 270,574,057
and
-1 x -270,574,057 = 270,574,057
Notice both answers equal 270,574,057
With that explanation out of the way, let's continue. Next, we take the number 270,574,057 and divide it by 2:
270,574,057 ÷ 2 = 135,287,028.5
If the quotient is a whole number, then 2 and 135,287,028.5 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 | 270,574,057 | |
| -1 | -270,574,057 |
Now, we try dividing 270,574,057 by 3:
270,574,057 ÷ 3 = 90,191,352.3333
If the quotient is a whole number, then 3 and 90,191,352.3333 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 | 270,574,057 | |
| -1 | -270,574,057 |
Let's try dividing by 4:
270,574,057 ÷ 4 = 67,643,514.25
If the quotient is a whole number, then 4 and 67,643,514.25 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 | 270,574,057 | |
| -1 | 270,574,057 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 221 | 281 | 3,653 | 4,357 | 4,777 | 56,641 | 62,101 | 74,069 | 962,897 | 1,224,317 | 15,916,121 | 20,813,389 | 270,574,057 |
| -1 | -13 | -17 | -221 | -281 | -3,653 | -4,357 | -4,777 | -56,641 | -62,101 | -74,069 | -962,897 | -1,224,317 | -15,916,121 | -20,813,389 | -270,574,057 |
Here are some more numbers to try:
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