A:
Positive:
1 x 237474255 x 474948513 x 182672525 x 94989765 x 36534589 x 266825325 x 73069445 x 53365821 x 289251157 x 205252225 x 106734105 x 5785
Negative:
-1 x -23747425-5 x -4749485-13 x -1826725-25 x -949897-65 x -365345-89 x -266825-325 x -73069-445 x -53365-821 x -28925-1157 x -20525-2225 x -10673-4105 x -5785
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 23,747,425, 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 | 23,747,425 | |
| -1 | -23,747,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,747,425.
Example:
1 x 23,747,425 = 23,747,425
and
-1 x -23,747,425 = 23,747,425
Notice both answers equal 23,747,425
With that explanation out of the way, let's continue. Next, we take the number 23,747,425 and divide it by 2:
23,747,425 ÷ 2 = 11,873,712.5
If the quotient is a whole number, then 2 and 11,873,712.5 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 | 23,747,425 | |
| -1 | -23,747,425 |
Now, we try dividing 23,747,425 by 3:
23,747,425 ÷ 3 = 7,915,808.3333
If the quotient is a whole number, then 3 and 7,915,808.3333 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 | 23,747,425 | |
| -1 | -23,747,425 |
Let's try dividing by 4:
23,747,425 ÷ 4 = 5,936,856.25
If the quotient is a whole number, then 4 and 5,936,856.25 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 | 23,747,425 | |
| -1 | 23,747,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 89 | 325 | 445 | 821 | 1,157 | 2,225 | 4,105 | 5,785 | 10,673 | 20,525 | 28,925 | 53,365 | 73,069 | 266,825 | 365,345 | 949,897 | 1,826,725 | 4,749,485 | 23,747,425 |
| -1 | -5 | -13 | -25 | -65 | -89 | -325 | -445 | -821 | -1,157 | -2,225 | -4,105 | -5,785 | -10,673 | -20,525 | -28,925 | -53,365 | -73,069 | -266,825 | -365,345 | -949,897 | -1,826,725 | -4,749,485 | -23,747,425 |
Here are some more numbers to try:
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