A:
Positive:
1 x 1260017155 x 252003437 x 1800024535 x 3600049797 x 1580953985 x 316194517 x 278955579 x 22585
Negative:
-1 x -126001715-5 x -25200343-7 x -18000245-35 x -3600049-797 x -158095-3985 x -31619-4517 x -27895-5579 x -22585
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 126,001,715, 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 | 126,001,715 | |
| -1 | -126,001,715 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 126,001,715.
Example:
1 x 126,001,715 = 126,001,715
and
-1 x -126,001,715 = 126,001,715
Notice both answers equal 126,001,715
With that explanation out of the way, let's continue. Next, we take the number 126,001,715 and divide it by 2:
126,001,715 ÷ 2 = 63,000,857.5
If the quotient is a whole number, then 2 and 63,000,857.5 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 | 126,001,715 | |
| -1 | -126,001,715 |
Now, we try dividing 126,001,715 by 3:
126,001,715 ÷ 3 = 42,000,571.6667
If the quotient is a whole number, then 3 and 42,000,571.6667 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 | 126,001,715 | |
| -1 | -126,001,715 |
Let's try dividing by 4:
126,001,715 ÷ 4 = 31,500,428.75
If the quotient is a whole number, then 4 and 31,500,428.75 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 | 126,001,715 | |
| -1 | 126,001,715 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 797 | 3,985 | 4,517 | 5,579 | 22,585 | 27,895 | 31,619 | 158,095 | 3,600,049 | 18,000,245 | 25,200,343 | 126,001,715 |
| -1 | -5 | -7 | -35 | -797 | -3,985 | -4,517 | -5,579 | -22,585 | -27,895 | -31,619 | -158,095 | -3,600,049 | -18,000,245 | -25,200,343 | -126,001,715 |
Here are some more numbers to try:
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