A:
Positive:
1 x 137311155 x 274622323 x 597005115 x 119401139 x 98785695 x 19757859 x 159853197 x 4295
Negative:
-1 x -13731115-5 x -2746223-23 x -597005-115 x -119401-139 x -98785-695 x -19757-859 x -15985-3197 x -4295
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 13,731,115, 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 | 13,731,115 | |
| -1 | -13,731,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,731,115.
Example:
1 x 13,731,115 = 13,731,115
and
-1 x -13,731,115 = 13,731,115
Notice both answers equal 13,731,115
With that explanation out of the way, let's continue. Next, we take the number 13,731,115 and divide it by 2:
13,731,115 ÷ 2 = 6,865,557.5
If the quotient is a whole number, then 2 and 6,865,557.5 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 | 13,731,115 | |
| -1 | -13,731,115 |
Now, we try dividing 13,731,115 by 3:
13,731,115 ÷ 3 = 4,577,038.3333
If the quotient is a whole number, then 3 and 4,577,038.3333 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 | 13,731,115 | |
| -1 | -13,731,115 |
Let's try dividing by 4:
13,731,115 ÷ 4 = 3,432,778.75
If the quotient is a whole number, then 4 and 3,432,778.75 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 | 13,731,115 | |
| -1 | 13,731,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 115 | 139 | 695 | 859 | 3,197 | 4,295 | 15,985 | 19,757 | 98,785 | 119,401 | 597,005 | 2,746,223 | 13,731,115 |
| -1 | -5 | -23 | -115 | -139 | -695 | -859 | -3,197 | -4,295 | -15,985 | -19,757 | -98,785 | -119,401 | -597,005 | -2,746,223 | -13,731,115 |
Here are some more numbers to try:
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