A:
Positive:
1 x 422886655 x 845773371 x 595615139 x 304235355 x 119123695 x 60847857 x 493454285 x 9869
Negative:
-1 x -42288665-5 x -8457733-71 x -595615-139 x -304235-355 x -119123-695 x -60847-857 x -49345-4285 x -9869
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 42,288,665, 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 | 42,288,665 | |
| -1 | -42,288,665 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 42,288,665.
Example:
1 x 42,288,665 = 42,288,665
and
-1 x -42,288,665 = 42,288,665
Notice both answers equal 42,288,665
With that explanation out of the way, let's continue. Next, we take the number 42,288,665 and divide it by 2:
42,288,665 ÷ 2 = 21,144,332.5
If the quotient is a whole number, then 2 and 21,144,332.5 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 | 42,288,665 | |
| -1 | -42,288,665 |
Now, we try dividing 42,288,665 by 3:
42,288,665 ÷ 3 = 14,096,221.6667
If the quotient is a whole number, then 3 and 14,096,221.6667 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 | 42,288,665 | |
| -1 | -42,288,665 |
Let's try dividing by 4:
42,288,665 ÷ 4 = 10,572,166.25
If the quotient is a whole number, then 4 and 10,572,166.25 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 | 42,288,665 | |
| -1 | 42,288,665 |
If you did it right, you will end up with this table:
| 1 | 5 | 71 | 139 | 355 | 695 | 857 | 4,285 | 9,869 | 49,345 | 60,847 | 119,123 | 304,235 | 595,615 | 8,457,733 | 42,288,665 |
| -1 | -5 | -71 | -139 | -355 | -695 | -857 | -4,285 | -9,869 | -49,345 | -60,847 | -119,123 | -304,235 | -595,615 | -8,457,733 | -42,288,665 |
Here are some more numbers to try:
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