A:
Positive:
1 x 321403255 x 64280657 x 459147525 x 128561335 x 91829549 x 655925175 x 183659245 x 1311851225 x 26237
Negative:
-1 x -32140325-5 x -6428065-7 x -4591475-25 x -1285613-35 x -918295-49 x -655925-175 x -183659-245 x -131185-1225 x -26237
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 32,140,325, 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 | 32,140,325 | |
| -1 | -32,140,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 32,140,325.
Example:
1 x 32,140,325 = 32,140,325
and
-1 x -32,140,325 = 32,140,325
Notice both answers equal 32,140,325
With that explanation out of the way, let's continue. Next, we take the number 32,140,325 and divide it by 2:
32,140,325 ÷ 2 = 16,070,162.5
If the quotient is a whole number, then 2 and 16,070,162.5 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 | 32,140,325 | |
| -1 | -32,140,325 |
Now, we try dividing 32,140,325 by 3:
32,140,325 ÷ 3 = 10,713,441.6667
If the quotient is a whole number, then 3 and 10,713,441.6667 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 | 32,140,325 | |
| -1 | -32,140,325 |
Let's try dividing by 4:
32,140,325 ÷ 4 = 8,035,081.25
If the quotient is a whole number, then 4 and 8,035,081.25 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 | 32,140,325 | |
| -1 | 32,140,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 49 | 175 | 245 | 1,225 | 26,237 | 131,185 | 183,659 | 655,925 | 918,295 | 1,285,613 | 4,591,475 | 6,428,065 | 32,140,325 |
| -1 | -5 | -7 | -25 | -35 | -49 | -175 | -245 | -1,225 | -26,237 | -131,185 | -183,659 | -655,925 | -918,295 | -1,285,613 | -4,591,475 | -6,428,065 | -32,140,325 |
Here are some more numbers to try:
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