A:
Positive:
1 x 138691637 x 198130911 x 126083329 x 47824777 x 180119203 x 68321319 x 434772233 x 6211
Negative:
-1 x -13869163-7 x -1981309-11 x -1260833-29 x -478247-77 x -180119-203 x -68321-319 x -43477-2233 x -6211
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 13,869,163, 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 | 13,869,163 | |
| -1 | -13,869,163 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,869,163.
Example:
1 x 13,869,163 = 13,869,163
and
-1 x -13,869,163 = 13,869,163
Notice both answers equal 13,869,163
With that explanation out of the way, let's continue. Next, we take the number 13,869,163 and divide it by 2:
13,869,163 ÷ 2 = 6,934,581.5
If the quotient is a whole number, then 2 and 6,934,581.5 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 | 13,869,163 | |
| -1 | -13,869,163 |
Now, we try dividing 13,869,163 by 3:
13,869,163 ÷ 3 = 4,623,054.3333
If the quotient is a whole number, then 3 and 4,623,054.3333 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 | 13,869,163 | |
| -1 | -13,869,163 |
Let's try dividing by 4:
13,869,163 ÷ 4 = 3,467,290.75
If the quotient is a whole number, then 4 and 3,467,290.75 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 | 13,869,163 | |
| -1 | 13,869,163 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 29 | 77 | 203 | 319 | 2,233 | 6,211 | 43,477 | 68,321 | 180,119 | 478,247 | 1,260,833 | 1,981,309 | 13,869,163 |
| -1 | -7 | -11 | -29 | -77 | -203 | -319 | -2,233 | -6,211 | -43,477 | -68,321 | -180,119 | -478,247 | -1,260,833 | -1,981,309 | -13,869,163 |
Here are some more numbers to try:
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