A:
Positive:
1 x 71068555 x 14213717 x 101526519 x 37404535 x 20305395 x 74809133 x 53435665 x 10687
Negative:
-1 x -7106855-5 x -1421371-7 x -1015265-19 x -374045-35 x -203053-95 x -74809-133 x -53435-665 x -10687
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 7,106,855, 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 | 7,106,855 | |
| -1 | -7,106,855 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,106,855.
Example:
1 x 7,106,855 = 7,106,855
and
-1 x -7,106,855 = 7,106,855
Notice both answers equal 7,106,855
With that explanation out of the way, let's continue. Next, we take the number 7,106,855 and divide it by 2:
7,106,855 ÷ 2 = 3,553,427.5
If the quotient is a whole number, then 2 and 3,553,427.5 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 | 7,106,855 | |
| -1 | -7,106,855 |
Now, we try dividing 7,106,855 by 3:
7,106,855 ÷ 3 = 2,368,951.6667
If the quotient is a whole number, then 3 and 2,368,951.6667 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 | 7,106,855 | |
| -1 | -7,106,855 |
Let's try dividing by 4:
7,106,855 ÷ 4 = 1,776,713.75
If the quotient is a whole number, then 4 and 1,776,713.75 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 | 7,106,855 | |
| -1 | 7,106,855 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 19 | 35 | 95 | 133 | 665 | 10,687 | 53,435 | 74,809 | 203,053 | 374,045 | 1,015,265 | 1,421,371 | 7,106,855 |
| -1 | -5 | -7 | -19 | -35 | -95 | -133 | -665 | -10,687 | -53,435 | -74,809 | -203,053 | -374,045 | -1,015,265 | -1,421,371 | -7,106,855 |
Here are some more numbers to try:
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