A:
Positive:
1 x 70261855 x 140523717 x 41330585 x 82661131 x 53635631 x 11135655 x 107272227 x 3155
Negative:
-1 x -7026185-5 x -1405237-17 x -413305-85 x -82661-131 x -53635-631 x -11135-655 x -10727-2227 x -3155
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 7,026,185, 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 | 7,026,185 | |
| -1 | -7,026,185 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,026,185.
Example:
1 x 7,026,185 = 7,026,185
and
-1 x -7,026,185 = 7,026,185
Notice both answers equal 7,026,185
With that explanation out of the way, let's continue. Next, we take the number 7,026,185 and divide it by 2:
7,026,185 ÷ 2 = 3,513,092.5
If the quotient is a whole number, then 2 and 3,513,092.5 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 | 7,026,185 | |
| -1 | -7,026,185 |
Now, we try dividing 7,026,185 by 3:
7,026,185 ÷ 3 = 2,342,061.6667
If the quotient is a whole number, then 3 and 2,342,061.6667 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 | 7,026,185 | |
| -1 | -7,026,185 |
Let's try dividing by 4:
7,026,185 ÷ 4 = 1,756,546.25
If the quotient is a whole number, then 4 and 1,756,546.25 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 | 7,026,185 | |
| -1 | 7,026,185 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 131 | 631 | 655 | 2,227 | 3,155 | 10,727 | 11,135 | 53,635 | 82,661 | 413,305 | 1,405,237 | 7,026,185 |
| -1 | -5 | -17 | -85 | -131 | -631 | -655 | -2,227 | -3,155 | -10,727 | -11,135 | -53,635 | -82,661 | -413,305 | -1,405,237 | -7,026,185 |
Here are some more numbers to try:
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