A:
Positive:
1 x 67209255 x 134418525 x 26883741 x 16392579 x 8507583 x 80975205 x 32785395 x 17015415 x 161951025 x 65571975 x 34032075 x 3239
Negative:
-1 x -6720925-5 x -1344185-25 x -268837-41 x -163925-79 x -85075-83 x -80975-205 x -32785-395 x -17015-415 x -16195-1025 x -6557-1975 x -3403-2075 x -3239
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 6,720,925, 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 | 6,720,925 | |
| -1 | -6,720,925 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 6,720,925.
Example:
1 x 6,720,925 = 6,720,925
and
-1 x -6,720,925 = 6,720,925
Notice both answers equal 6,720,925
With that explanation out of the way, let's continue. Next, we take the number 6,720,925 and divide it by 2:
6,720,925 ÷ 2 = 3,360,462.5
If the quotient is a whole number, then 2 and 3,360,462.5 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 | 6,720,925 | |
| -1 | -6,720,925 |
Now, we try dividing 6,720,925 by 3:
6,720,925 ÷ 3 = 2,240,308.3333
If the quotient is a whole number, then 3 and 2,240,308.3333 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 | 6,720,925 | |
| -1 | -6,720,925 |
Let's try dividing by 4:
6,720,925 ÷ 4 = 1,680,231.25
If the quotient is a whole number, then 4 and 1,680,231.25 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 | 6,720,925 | |
| -1 | 6,720,925 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 41 | 79 | 83 | 205 | 395 | 415 | 1,025 | 1,975 | 2,075 | 3,239 | 3,403 | 6,557 | 16,195 | 17,015 | 32,785 | 80,975 | 85,075 | 163,925 | 268,837 | 1,344,185 | 6,720,925 |
| -1 | -5 | -25 | -41 | -79 | -83 | -205 | -395 | -415 | -1,025 | -1,975 | -2,075 | -3,239 | -3,403 | -6,557 | -16,195 | -17,015 | -32,785 | -80,975 | -85,075 | -163,925 | -268,837 | -1,344,185 | -6,720,925 |
Here are some more numbers to try:
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