A:
Positive:
1 x 1245892755 x 2491785523 x 541692525 x 498357143 x 2897425115 x 1083385215 x 579485575 x 216677989 x 1259751075 x 1158974945 x 251955039 x 24725
Negative:
-1 x -124589275-5 x -24917855-23 x -5416925-25 x -4983571-43 x -2897425-115 x -1083385-215 x -579485-575 x -216677-989 x -125975-1075 x -115897-4945 x -25195-5039 x -24725
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 124,589,275, 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 | 124,589,275 | |
| -1 | -124,589,275 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 124,589,275.
Example:
1 x 124,589,275 = 124,589,275
and
-1 x -124,589,275 = 124,589,275
Notice both answers equal 124,589,275
With that explanation out of the way, let's continue. Next, we take the number 124,589,275 and divide it by 2:
124,589,275 ÷ 2 = 62,294,637.5
If the quotient is a whole number, then 2 and 62,294,637.5 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 | 124,589,275 | |
| -1 | -124,589,275 |
Now, we try dividing 124,589,275 by 3:
124,589,275 ÷ 3 = 41,529,758.3333
If the quotient is a whole number, then 3 and 41,529,758.3333 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 | 124,589,275 | |
| -1 | -124,589,275 |
Let's try dividing by 4:
124,589,275 ÷ 4 = 31,147,318.75
If the quotient is a whole number, then 4 and 31,147,318.75 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 | 124,589,275 | |
| -1 | 124,589,275 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 25 | 43 | 115 | 215 | 575 | 989 | 1,075 | 4,945 | 5,039 | 24,725 | 25,195 | 115,897 | 125,975 | 216,677 | 579,485 | 1,083,385 | 2,897,425 | 4,983,571 | 5,416,925 | 24,917,855 | 124,589,275 |
| -1 | -5 | -23 | -25 | -43 | -115 | -215 | -575 | -989 | -1,075 | -4,945 | -5,039 | -24,725 | -25,195 | -115,897 | -125,975 | -216,677 | -579,485 | -1,083,385 | -2,897,425 | -4,983,571 | -5,416,925 | -24,917,855 | -124,589,275 |
Here are some more numbers to try:
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