A:
Positive:
1 x 13088155 x 26176319 x 6888523 x 5690595 x 13777115 x 11381437 x 2995599 x 2185
Negative:
-1 x -1308815-5 x -261763-19 x -68885-23 x -56905-95 x -13777-115 x -11381-437 x -2995-599 x -2185
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 1,308,815, 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 | 1,308,815 | |
| -1 | -1,308,815 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,308,815.
Example:
1 x 1,308,815 = 1,308,815
and
-1 x -1,308,815 = 1,308,815
Notice both answers equal 1,308,815
With that explanation out of the way, let's continue. Next, we take the number 1,308,815 and divide it by 2:
1,308,815 ÷ 2 = 654,407.5
If the quotient is a whole number, then 2 and 654,407.5 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 | 1,308,815 | |
| -1 | -1,308,815 |
Now, we try dividing 1,308,815 by 3:
1,308,815 ÷ 3 = 436,271.6667
If the quotient is a whole number, then 3 and 436,271.6667 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 | 1,308,815 | |
| -1 | -1,308,815 |
Let's try dividing by 4:
1,308,815 ÷ 4 = 327,203.75
If the quotient is a whole number, then 4 and 327,203.75 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 | 1,308,815 | |
| -1 | 1,308,815 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 23 | 95 | 115 | 437 | 599 | 2,185 | 2,995 | 11,381 | 13,777 | 56,905 | 68,885 | 261,763 | 1,308,815 |
| -1 | -5 | -19 | -23 | -95 | -115 | -437 | -599 | -2,185 | -2,995 | -11,381 | -13,777 | -56,905 | -68,885 | -261,763 | -1,308,815 |
Here are some more numbers to try:
Try the factor calculator