A:
Positive:
1 x 136658417 x 195226317 x 80387323 x 594167119 x 114839161 x 84881391 x 349512737 x 4993
Negative:
-1 x -13665841-7 x -1952263-17 x -803873-23 x -594167-119 x -114839-161 x -84881-391 x -34951-2737 x -4993
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 13,665,841, 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 | 13,665,841 | |
| -1 | -13,665,841 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,665,841.
Example:
1 x 13,665,841 = 13,665,841
and
-1 x -13,665,841 = 13,665,841
Notice both answers equal 13,665,841
With that explanation out of the way, let's continue. Next, we take the number 13,665,841 and divide it by 2:
13,665,841 ÷ 2 = 6,832,920.5
If the quotient is a whole number, then 2 and 6,832,920.5 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 | 13,665,841 | |
| -1 | -13,665,841 |
Now, we try dividing 13,665,841 by 3:
13,665,841 ÷ 3 = 4,555,280.3333
If the quotient is a whole number, then 3 and 4,555,280.3333 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 | 13,665,841 | |
| -1 | -13,665,841 |
Let's try dividing by 4:
13,665,841 ÷ 4 = 3,416,460.25
If the quotient is a whole number, then 4 and 3,416,460.25 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 | 13,665,841 | |
| -1 | 13,665,841 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 23 | 119 | 161 | 391 | 2,737 | 4,993 | 34,951 | 84,881 | 114,839 | 594,167 | 803,873 | 1,952,263 | 13,665,841 |
| -1 | -7 | -17 | -23 | -119 | -161 | -391 | -2,737 | -4,993 | -34,951 | -84,881 | -114,839 | -594,167 | -803,873 | -1,952,263 | -13,665,841 |
Here are some more numbers to try:
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