A:
Positive:
1 x 32847031113 x 2526694717 x 1932178341 x 8011471221 x 1486291533 x 616267697 x 4712639061 x 36251
Negative:
-1 x -328470311-13 x -25266947-17 x -19321783-41 x -8011471-221 x -1486291-533 x -616267-697 x -471263-9061 x -36251
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 328,470,311, 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 | 328,470,311 | |
| -1 | -328,470,311 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 328,470,311.
Example:
1 x 328,470,311 = 328,470,311
and
-1 x -328,470,311 = 328,470,311
Notice both answers equal 328,470,311
With that explanation out of the way, let's continue. Next, we take the number 328,470,311 and divide it by 2:
328,470,311 ÷ 2 = 164,235,155.5
If the quotient is a whole number, then 2 and 164,235,155.5 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 | 328,470,311 | |
| -1 | -328,470,311 |
Now, we try dividing 328,470,311 by 3:
328,470,311 ÷ 3 = 109,490,103.6667
If the quotient is a whole number, then 3 and 109,490,103.6667 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 | 328,470,311 | |
| -1 | -328,470,311 |
Let's try dividing by 4:
328,470,311 ÷ 4 = 82,117,577.75
If the quotient is a whole number, then 4 and 82,117,577.75 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 | 328,470,311 | |
| -1 | 328,470,311 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 41 | 221 | 533 | 697 | 9,061 | 36,251 | 471,263 | 616,267 | 1,486,291 | 8,011,471 | 19,321,783 | 25,266,947 | 328,470,311 |
| -1 | -13 | -17 | -41 | -221 | -533 | -697 | -9,061 | -36,251 | -471,263 | -616,267 | -1,486,291 | -8,011,471 | -19,321,783 | -25,266,947 | -328,470,311 |
Here are some more numbers to try:
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