A:
Positive:
1 x 72670855 x 14534177 x 103815535 x 207631397 x 18305523 x 138951985 x 36612615 x 2779
Negative:
-1 x -7267085-5 x -1453417-7 x -1038155-35 x -207631-397 x -18305-523 x -13895-1985 x -3661-2615 x -2779
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 7,267,085, 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 | 7,267,085 | |
| -1 | -7,267,085 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,267,085.
Example:
1 x 7,267,085 = 7,267,085
and
-1 x -7,267,085 = 7,267,085
Notice both answers equal 7,267,085
With that explanation out of the way, let's continue. Next, we take the number 7,267,085 and divide it by 2:
7,267,085 ÷ 2 = 3,633,542.5
If the quotient is a whole number, then 2 and 3,633,542.5 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 | 7,267,085 | |
| -1 | -7,267,085 |
Now, we try dividing 7,267,085 by 3:
7,267,085 ÷ 3 = 2,422,361.6667
If the quotient is a whole number, then 3 and 2,422,361.6667 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 | 7,267,085 | |
| -1 | -7,267,085 |
Let's try dividing by 4:
7,267,085 ÷ 4 = 1,816,771.25
If the quotient is a whole number, then 4 and 1,816,771.25 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 | 7,267,085 | |
| -1 | 7,267,085 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 397 | 523 | 1,985 | 2,615 | 2,779 | 3,661 | 13,895 | 18,305 | 207,631 | 1,038,155 | 1,453,417 | 7,267,085 |
| -1 | -5 | -7 | -35 | -397 | -523 | -1,985 | -2,615 | -2,779 | -3,661 | -13,895 | -18,305 | -207,631 | -1,038,155 | -1,453,417 | -7,267,085 |
Here are some more numbers to try:
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