A:
Positive:
1 x 420653055 x 841306153 x 793685181 x 232405265 x 158737877 x 47965905 x 464814385 x 9593
Negative:
-1 x -42065305-5 x -8413061-53 x -793685-181 x -232405-265 x -158737-877 x -47965-905 x -46481-4385 x -9593
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 42,065,305, 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 | 42,065,305 | |
| -1 | -42,065,305 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 42,065,305.
Example:
1 x 42,065,305 = 42,065,305
and
-1 x -42,065,305 = 42,065,305
Notice both answers equal 42,065,305
With that explanation out of the way, let's continue. Next, we take the number 42,065,305 and divide it by 2:
42,065,305 ÷ 2 = 21,032,652.5
If the quotient is a whole number, then 2 and 21,032,652.5 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 | 42,065,305 | |
| -1 | -42,065,305 |
Now, we try dividing 42,065,305 by 3:
42,065,305 ÷ 3 = 14,021,768.3333
If the quotient is a whole number, then 3 and 14,021,768.3333 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 | 42,065,305 | |
| -1 | -42,065,305 |
Let's try dividing by 4:
42,065,305 ÷ 4 = 10,516,326.25
If the quotient is a whole number, then 4 and 10,516,326.25 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 | 42,065,305 | |
| -1 | 42,065,305 |
If you did it right, you will end up with this table:
| 1 | 5 | 53 | 181 | 265 | 877 | 905 | 4,385 | 9,593 | 46,481 | 47,965 | 158,737 | 232,405 | 793,685 | 8,413,061 | 42,065,305 |
| -1 | -5 | -53 | -181 | -265 | -877 | -905 | -4,385 | -9,593 | -46,481 | -47,965 | -158,737 | -232,405 | -793,685 | -8,413,061 | -42,065,305 |
Here are some more numbers to try:
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