A:
Positive:
1 x 23154255 x 4630857 x 33077525 x 9261735 x 66155101 x 22925131 x 17675175 x 13231505 x 4585655 x 3535707 x 3275917 x 2525
Negative:
-1 x -2315425-5 x -463085-7 x -330775-25 x -92617-35 x -66155-101 x -22925-131 x -17675-175 x -13231-505 x -4585-655 x -3535-707 x -3275-917 x -2525
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 2,315,425, 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 | 2,315,425 | |
| -1 | -2,315,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,315,425.
Example:
1 x 2,315,425 = 2,315,425
and
-1 x -2,315,425 = 2,315,425
Notice both answers equal 2,315,425
With that explanation out of the way, let's continue. Next, we take the number 2,315,425 and divide it by 2:
2,315,425 ÷ 2 = 1,157,712.5
If the quotient is a whole number, then 2 and 1,157,712.5 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 | 2,315,425 | |
| -1 | -2,315,425 |
Now, we try dividing 2,315,425 by 3:
2,315,425 ÷ 3 = 771,808.3333
If the quotient is a whole number, then 3 and 771,808.3333 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 | 2,315,425 | |
| -1 | -2,315,425 |
Let's try dividing by 4:
2,315,425 ÷ 4 = 578,856.25
If the quotient is a whole number, then 4 and 578,856.25 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 | 2,315,425 | |
| -1 | 2,315,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 101 | 131 | 175 | 505 | 655 | 707 | 917 | 2,525 | 3,275 | 3,535 | 4,585 | 13,231 | 17,675 | 22,925 | 66,155 | 92,617 | 330,775 | 463,085 | 2,315,425 |
| -1 | -5 | -7 | -25 | -35 | -101 | -131 | -175 | -505 | -655 | -707 | -917 | -2,525 | -3,275 | -3,535 | -4,585 | -13,231 | -17,675 | -22,925 | -66,155 | -92,617 | -330,775 | -463,085 | -2,315,425 |
Here are some more numbers to try:
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