A:
Positive:
1 x 104066055 x 208132111 x 94605555 x 189211103 x 101035121 x 86005167 x 62315515 x 20207605 x 17201835 x 124631133 x 91851837 x 5665
Negative:
-1 x -10406605-5 x -2081321-11 x -946055-55 x -189211-103 x -101035-121 x -86005-167 x -62315-515 x -20207-605 x -17201-835 x -12463-1133 x -9185-1837 x -5665
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 10,406,605, 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 | 10,406,605 | |
| -1 | -10,406,605 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,406,605.
Example:
1 x 10,406,605 = 10,406,605
and
-1 x -10,406,605 = 10,406,605
Notice both answers equal 10,406,605
With that explanation out of the way, let's continue. Next, we take the number 10,406,605 and divide it by 2:
10,406,605 ÷ 2 = 5,203,302.5
If the quotient is a whole number, then 2 and 5,203,302.5 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 | 10,406,605 | |
| -1 | -10,406,605 |
Now, we try dividing 10,406,605 by 3:
10,406,605 ÷ 3 = 3,468,868.3333
If the quotient is a whole number, then 3 and 3,468,868.3333 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 | 10,406,605 | |
| -1 | -10,406,605 |
Let's try dividing by 4:
10,406,605 ÷ 4 = 2,601,651.25
If the quotient is a whole number, then 4 and 2,601,651.25 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 | 10,406,605 | |
| -1 | 10,406,605 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 103 | 121 | 167 | 515 | 605 | 835 | 1,133 | 1,837 | 5,665 | 9,185 | 12,463 | 17,201 | 20,207 | 62,315 | 86,005 | 101,035 | 189,211 | 946,055 | 2,081,321 | 10,406,605 |
| -1 | -5 | -11 | -55 | -103 | -121 | -167 | -515 | -605 | -835 | -1,133 | -1,837 | -5,665 | -9,185 | -12,463 | -17,201 | -20,207 | -62,315 | -86,005 | -101,035 | -189,211 | -946,055 | -2,081,321 | -10,406,605 |
Here are some more numbers to try:
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