A:
Positive:
1 x 136012877 x 194304143 x 31630973 x 186319301 x 45187511 x 26617619 x 219733139 x 4333
Negative:
-1 x -13601287-7 x -1943041-43 x -316309-73 x -186319-301 x -45187-511 x -26617-619 x -21973-3139 x -4333
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 13,601,287, 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 | 13,601,287 | |
| -1 | -13,601,287 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,601,287.
Example:
1 x 13,601,287 = 13,601,287
and
-1 x -13,601,287 = 13,601,287
Notice both answers equal 13,601,287
With that explanation out of the way, let's continue. Next, we take the number 13,601,287 and divide it by 2:
13,601,287 ÷ 2 = 6,800,643.5
If the quotient is a whole number, then 2 and 6,800,643.5 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 | 13,601,287 | |
| -1 | -13,601,287 |
Now, we try dividing 13,601,287 by 3:
13,601,287 ÷ 3 = 4,533,762.3333
If the quotient is a whole number, then 3 and 4,533,762.3333 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 | 13,601,287 | |
| -1 | -13,601,287 |
Let's try dividing by 4:
13,601,287 ÷ 4 = 3,400,321.75
If the quotient is a whole number, then 4 and 3,400,321.75 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 | 13,601,287 | |
| -1 | 13,601,287 |
If you did it right, you will end up with this table:
| 1 | 7 | 43 | 73 | 301 | 511 | 619 | 3,139 | 4,333 | 21,973 | 26,617 | 45,187 | 186,319 | 316,309 | 1,943,041 | 13,601,287 |
| -1 | -7 | -43 | -73 | -301 | -511 | -619 | -3,139 | -4,333 | -21,973 | -26,617 | -45,187 | -186,319 | -316,309 | -1,943,041 | -13,601,287 |
Here are some more numbers to try:
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