A:
Positive:
1 x 1362817313 x 104832129 x 46993737 x 368329377 x 36149481 x 28333977 x 139491073 x 12701
Negative:
-1 x -13628173-13 x -1048321-29 x -469937-37 x -368329-377 x -36149-481 x -28333-977 x -13949-1073 x -12701
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 13,628,173, 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 | 13,628,173 | |
| -1 | -13,628,173 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,628,173.
Example:
1 x 13,628,173 = 13,628,173
and
-1 x -13,628,173 = 13,628,173
Notice both answers equal 13,628,173
With that explanation out of the way, let's continue. Next, we take the number 13,628,173 and divide it by 2:
13,628,173 ÷ 2 = 6,814,086.5
If the quotient is a whole number, then 2 and 6,814,086.5 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 | 13,628,173 | |
| -1 | -13,628,173 |
Now, we try dividing 13,628,173 by 3:
13,628,173 ÷ 3 = 4,542,724.3333
If the quotient is a whole number, then 3 and 4,542,724.3333 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 | 13,628,173 | |
| -1 | -13,628,173 |
Let's try dividing by 4:
13,628,173 ÷ 4 = 3,407,043.25
If the quotient is a whole number, then 4 and 3,407,043.25 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 | 13,628,173 | |
| -1 | 13,628,173 |
If you did it right, you will end up with this table:
| 1 | 13 | 29 | 37 | 377 | 481 | 977 | 1,073 | 12,701 | 13,949 | 28,333 | 36,149 | 368,329 | 469,937 | 1,048,321 | 13,628,173 |
| -1 | -13 | -29 | -37 | -377 | -481 | -977 | -1,073 | -12,701 | -13,949 | -28,333 | -36,149 | -368,329 | -469,937 | -1,048,321 | -13,628,173 |
Here are some more numbers to try:
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