A:
Positive:
1 x 13210520347 x 281074953 x 2492551181 x 729863293 x 4508712491 x 530338507 x 155299593 x 13771
Negative:
-1 x -132105203-47 x -2810749-53 x -2492551-181 x -729863-293 x -450871-2491 x -53033-8507 x -15529-9593 x -13771
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 132,105,203, 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 | 132,105,203 | |
| -1 | -132,105,203 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 132,105,203.
Example:
1 x 132,105,203 = 132,105,203
and
-1 x -132,105,203 = 132,105,203
Notice both answers equal 132,105,203
With that explanation out of the way, let's continue. Next, we take the number 132,105,203 and divide it by 2:
132,105,203 ÷ 2 = 66,052,601.5
If the quotient is a whole number, then 2 and 66,052,601.5 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 | 132,105,203 | |
| -1 | -132,105,203 |
Now, we try dividing 132,105,203 by 3:
132,105,203 ÷ 3 = 44,035,067.6667
If the quotient is a whole number, then 3 and 44,035,067.6667 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 | 132,105,203 | |
| -1 | -132,105,203 |
Let's try dividing by 4:
132,105,203 ÷ 4 = 33,026,300.75
If the quotient is a whole number, then 4 and 33,026,300.75 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 | 132,105,203 | |
| -1 | 132,105,203 |
If you did it right, you will end up with this table:
| 1 | 47 | 53 | 181 | 293 | 2,491 | 8,507 | 9,593 | 13,771 | 15,529 | 53,033 | 450,871 | 729,863 | 2,492,551 | 2,810,749 | 132,105,203 |
| -1 | -47 | -53 | -181 | -293 | -2,491 | -8,507 | -9,593 | -13,771 | -15,529 | -53,033 | -450,871 | -729,863 | -2,492,551 | -2,810,749 | -132,105,203 |
Here are some more numbers to try:
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