A:
Positive:
1 x 1246615377 x 1780879111 x 1133286713 x 958934949 x 254411377 x 161898191 x 1369907143 x 871759539 x 231283637 x 1957011001 x 1245377007 x 17791
Negative:
-1 x -124661537-7 x -17808791-11 x -11332867-13 x -9589349-49 x -2544113-77 x -1618981-91 x -1369907-143 x -871759-539 x -231283-637 x -195701-1001 x -124537-7007 x -17791
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 124,661,537, 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 | 124,661,537 | |
| -1 | -124,661,537 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 124,661,537.
Example:
1 x 124,661,537 = 124,661,537
and
-1 x -124,661,537 = 124,661,537
Notice both answers equal 124,661,537
With that explanation out of the way, let's continue. Next, we take the number 124,661,537 and divide it by 2:
124,661,537 ÷ 2 = 62,330,768.5
If the quotient is a whole number, then 2 and 62,330,768.5 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 | 124,661,537 | |
| -1 | -124,661,537 |
Now, we try dividing 124,661,537 by 3:
124,661,537 ÷ 3 = 41,553,845.6667
If the quotient is a whole number, then 3 and 41,553,845.6667 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 | 124,661,537 | |
| -1 | -124,661,537 |
Let's try dividing by 4:
124,661,537 ÷ 4 = 31,165,384.25
If the quotient is a whole number, then 4 and 31,165,384.25 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 | 124,661,537 | |
| -1 | 124,661,537 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 13 | 49 | 77 | 91 | 143 | 539 | 637 | 1,001 | 7,007 | 17,791 | 124,537 | 195,701 | 231,283 | 871,759 | 1,369,907 | 1,618,981 | 2,544,113 | 9,589,349 | 11,332,867 | 17,808,791 | 124,661,537 |
| -1 | -7 | -11 | -13 | -49 | -77 | -91 | -143 | -539 | -637 | -1,001 | -7,007 | -17,791 | -124,537 | -195,701 | -231,283 | -871,759 | -1,369,907 | -1,618,981 | -2,544,113 | -9,589,349 | -11,332,867 | -17,808,791 | -124,661,537 |
Here are some more numbers to try:
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