A:
Positive:
1 x 200706597 x 286723717 x 1180627119 x 168661227 x 88417743 x 270131589 x 126313859 x 5201
Negative:
-1 x -20070659-7 x -2867237-17 x -1180627-119 x -168661-227 x -88417-743 x -27013-1589 x -12631-3859 x -5201
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 20,070,659, 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 | 20,070,659 | |
| -1 | -20,070,659 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,070,659.
Example:
1 x 20,070,659 = 20,070,659
and
-1 x -20,070,659 = 20,070,659
Notice both answers equal 20,070,659
With that explanation out of the way, let's continue. Next, we take the number 20,070,659 and divide it by 2:
20,070,659 ÷ 2 = 10,035,329.5
If the quotient is a whole number, then 2 and 10,035,329.5 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 | 20,070,659 | |
| -1 | -20,070,659 |
Now, we try dividing 20,070,659 by 3:
20,070,659 ÷ 3 = 6,690,219.6667
If the quotient is a whole number, then 3 and 6,690,219.6667 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 | 20,070,659 | |
| -1 | -20,070,659 |
Let's try dividing by 4:
20,070,659 ÷ 4 = 5,017,664.75
If the quotient is a whole number, then 4 and 5,017,664.75 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 | 20,070,659 | |
| -1 | 20,070,659 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 119 | 227 | 743 | 1,589 | 3,859 | 5,201 | 12,631 | 27,013 | 88,417 | 168,661 | 1,180,627 | 2,867,237 | 20,070,659 |
| -1 | -7 | -17 | -119 | -227 | -743 | -1,589 | -3,859 | -5,201 | -12,631 | -27,013 | -88,417 | -168,661 | -1,180,627 | -2,867,237 | -20,070,659 |
Here are some more numbers to try:
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