A:
Positive:
1 x 433210255 x 866420511 x 393827525 x 173284155 x 787655121 x 358025275 x 157531605 x 716053025 x 14321
Negative:
-1 x -43321025-5 x -8664205-11 x -3938275-25 x -1732841-55 x -787655-121 x -358025-275 x -157531-605 x -71605-3025 x -14321
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 43,321,025, 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 | 43,321,025 | |
| -1 | -43,321,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 43,321,025.
Example:
1 x 43,321,025 = 43,321,025
and
-1 x -43,321,025 = 43,321,025
Notice both answers equal 43,321,025
With that explanation out of the way, let's continue. Next, we take the number 43,321,025 and divide it by 2:
43,321,025 ÷ 2 = 21,660,512.5
If the quotient is a whole number, then 2 and 21,660,512.5 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 | 43,321,025 | |
| -1 | -43,321,025 |
Now, we try dividing 43,321,025 by 3:
43,321,025 ÷ 3 = 14,440,341.6667
If the quotient is a whole number, then 3 and 14,440,341.6667 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 | 43,321,025 | |
| -1 | -43,321,025 |
Let's try dividing by 4:
43,321,025 ÷ 4 = 10,830,256.25
If the quotient is a whole number, then 4 and 10,830,256.25 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 | 43,321,025 | |
| -1 | 43,321,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 55 | 121 | 275 | 605 | 3,025 | 14,321 | 71,605 | 157,531 | 358,025 | 787,655 | 1,732,841 | 3,938,275 | 8,664,205 | 43,321,025 |
| -1 | -5 | -11 | -25 | -55 | -121 | -275 | -605 | -3,025 | -14,321 | -71,605 | -157,531 | -358,025 | -787,655 | -1,732,841 | -3,938,275 | -8,664,205 | -43,321,025 |
Here are some more numbers to try:
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