A:
Positive:
1 x 3251314437 x 4644734913 x 2501011117 x 1912537991 x 3572873119 x 2732197221 x 14711831547 x 210169
Negative:
-1 x -325131443-7 x -46447349-13 x -25010111-17 x -19125379-91 x -3572873-119 x -2732197-221 x -1471183-1547 x -210169
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 325,131,443, 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 | 325,131,443 | |
| -1 | -325,131,443 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 325,131,443.
Example:
1 x 325,131,443 = 325,131,443
and
-1 x -325,131,443 = 325,131,443
Notice both answers equal 325,131,443
With that explanation out of the way, let's continue. Next, we take the number 325,131,443 and divide it by 2:
325,131,443 ÷ 2 = 162,565,721.5
If the quotient is a whole number, then 2 and 162,565,721.5 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 | 325,131,443 | |
| -1 | -325,131,443 |
Now, we try dividing 325,131,443 by 3:
325,131,443 ÷ 3 = 108,377,147.6667
If the quotient is a whole number, then 3 and 108,377,147.6667 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 | 325,131,443 | |
| -1 | -325,131,443 |
Let's try dividing by 4:
325,131,443 ÷ 4 = 81,282,860.75
If the quotient is a whole number, then 4 and 81,282,860.75 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 | 325,131,443 | |
| -1 | 325,131,443 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 17 | 91 | 119 | 221 | 1,547 | 210,169 | 1,471,183 | 2,732,197 | 3,572,873 | 19,125,379 | 25,010,111 | 46,447,349 | 325,131,443 |
| -1 | -7 | -13 | -17 | -91 | -119 | -221 | -1,547 | -210,169 | -1,471,183 | -2,732,197 | -3,572,873 | -19,125,379 | -25,010,111 | -46,447,349 | -325,131,443 |
Here are some more numbers to try:
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