A:
Positive:
1 x 131313355 x 26262677 x 187590535 x 37518159 x 222565295 x 44513413 x 317952065 x 6359
Negative:
-1 x -13131335-5 x -2626267-7 x -1875905-35 x -375181-59 x -222565-295 x -44513-413 x -31795-2065 x -6359
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 13,131,335, 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 | 13,131,335 | |
| -1 | -13,131,335 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,131,335.
Example:
1 x 13,131,335 = 13,131,335
and
-1 x -13,131,335 = 13,131,335
Notice both answers equal 13,131,335
With that explanation out of the way, let's continue. Next, we take the number 13,131,335 and divide it by 2:
13,131,335 ÷ 2 = 6,565,667.5
If the quotient is a whole number, then 2 and 6,565,667.5 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 | 13,131,335 | |
| -1 | -13,131,335 |
Now, we try dividing 13,131,335 by 3:
13,131,335 ÷ 3 = 4,377,111.6667
If the quotient is a whole number, then 3 and 4,377,111.6667 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 | 13,131,335 | |
| -1 | -13,131,335 |
Let's try dividing by 4:
13,131,335 ÷ 4 = 3,282,833.75
If the quotient is a whole number, then 4 and 3,282,833.75 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 | 13,131,335 | |
| -1 | 13,131,335 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 59 | 295 | 413 | 2,065 | 6,359 | 31,795 | 44,513 | 222,565 | 375,181 | 1,875,905 | 2,626,267 | 13,131,335 |
| -1 | -5 | -7 | -35 | -59 | -295 | -413 | -2,065 | -6,359 | -31,795 | -44,513 | -222,565 | -375,181 | -1,875,905 | -2,626,267 | -13,131,335 |
Here are some more numbers to try:
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