A:
Positive:
1 x 130556937 x 186509971 x 183883109 x 119777241 x 54173497 x 26269763 x 171111687 x 7739
Negative:
-1 x -13055693-7 x -1865099-71 x -183883-109 x -119777-241 x -54173-497 x -26269-763 x -17111-1687 x -7739
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 13,055,693, 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 | 13,055,693 | |
| -1 | -13,055,693 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,055,693.
Example:
1 x 13,055,693 = 13,055,693
and
-1 x -13,055,693 = 13,055,693
Notice both answers equal 13,055,693
With that explanation out of the way, let's continue. Next, we take the number 13,055,693 and divide it by 2:
13,055,693 ÷ 2 = 6,527,846.5
If the quotient is a whole number, then 2 and 6,527,846.5 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 | 13,055,693 | |
| -1 | -13,055,693 |
Now, we try dividing 13,055,693 by 3:
13,055,693 ÷ 3 = 4,351,897.6667
If the quotient is a whole number, then 3 and 4,351,897.6667 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 | 13,055,693 | |
| -1 | -13,055,693 |
Let's try dividing by 4:
13,055,693 ÷ 4 = 3,263,923.25
If the quotient is a whole number, then 4 and 3,263,923.25 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 | 13,055,693 | |
| -1 | 13,055,693 |
If you did it right, you will end up with this table:
| 1 | 7 | 71 | 109 | 241 | 497 | 763 | 1,687 | 7,739 | 17,111 | 26,269 | 54,173 | 119,777 | 183,883 | 1,865,099 | 13,055,693 |
| -1 | -7 | -71 | -109 | -241 | -497 | -763 | -1,687 | -7,739 | -17,111 | -26,269 | -54,173 | -119,777 | -183,883 | -1,865,099 | -13,055,693 |
Here are some more numbers to try:
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