A:
Positive:
1 x 3187255 x 6374511 x 2897519 x 1677525 x 1274955 x 579561 x 522595 x 3355209 x 1525275 x 1159305 x 1045475 x 671
Negative:
-1 x -318725-5 x -63745-11 x -28975-19 x -16775-25 x -12749-55 x -5795-61 x -5225-95 x -3355-209 x -1525-275 x -1159-305 x -1045-475 x -671
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 318,725, 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 | 318,725 | |
| -1 | -318,725 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 318,725.
Example:
1 x 318,725 = 318,725
and
-1 x -318,725 = 318,725
Notice both answers equal 318,725
With that explanation out of the way, let's continue. Next, we take the number 318,725 and divide it by 2:
318,725 ÷ 2 = 159,362.5
If the quotient is a whole number, then 2 and 159,362.5 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 | 318,725 | |
| -1 | -318,725 |
Now, we try dividing 318,725 by 3:
318,725 ÷ 3 = 106,241.6667
If the quotient is a whole number, then 3 and 106,241.6667 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 | 318,725 | |
| -1 | -318,725 |
Let's try dividing by 4:
318,725 ÷ 4 = 79,681.25
If the quotient is a whole number, then 4 and 79,681.25 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 | 318,725 | |
| -1 | 318,725 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 19 | 25 | 55 | 61 | 95 | 209 | 275 | 305 | 475 | 671 | 1,045 | 1,159 | 1,525 | 3,355 | 5,225 | 5,795 | 12,749 | 16,775 | 28,975 | 63,745 | 318,725 |
| -1 | -5 | -11 | -19 | -25 | -55 | -61 | -95 | -209 | -275 | -305 | -475 | -671 | -1,045 | -1,159 | -1,525 | -3,355 | -5,225 | -5,795 | -12,749 | -16,775 | -28,975 | -63,745 | -318,725 |
Here are some more numbers to try:
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