A:
Positive:
1 x 13041555 x 26083117 x 7671567 x 1946585 x 15343229 x 5695335 x 38931139 x 1145
Negative:
-1 x -1304155-5 x -260831-17 x -76715-67 x -19465-85 x -15343-229 x -5695-335 x -3893-1139 x -1145
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 1,304,155, 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 | 1,304,155 | |
| -1 | -1,304,155 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,304,155.
Example:
1 x 1,304,155 = 1,304,155
and
-1 x -1,304,155 = 1,304,155
Notice both answers equal 1,304,155
With that explanation out of the way, let's continue. Next, we take the number 1,304,155 and divide it by 2:
1,304,155 ÷ 2 = 652,077.5
If the quotient is a whole number, then 2 and 652,077.5 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 | 1,304,155 | |
| -1 | -1,304,155 |
Now, we try dividing 1,304,155 by 3:
1,304,155 ÷ 3 = 434,718.3333
If the quotient is a whole number, then 3 and 434,718.3333 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 | 1,304,155 | |
| -1 | -1,304,155 |
Let's try dividing by 4:
1,304,155 ÷ 4 = 326,038.75
If the quotient is a whole number, then 4 and 326,038.75 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 | 1,304,155 | |
| -1 | 1,304,155 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 67 | 85 | 229 | 335 | 1,139 | 1,145 | 3,893 | 5,695 | 15,343 | 19,465 | 76,715 | 260,831 | 1,304,155 |
| -1 | -5 | -17 | -67 | -85 | -229 | -335 | -1,139 | -1,145 | -3,893 | -5,695 | -15,343 | -19,465 | -76,715 | -260,831 | -1,304,155 |
Here are some more numbers to try:
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