A:
Positive:
1 x 2372486319 x 124867743 x 55174171 x 334153409 x 58007817 x 290391349 x 175873053 x 7771
Negative:
-1 x -23724863-19 x -1248677-43 x -551741-71 x -334153-409 x -58007-817 x -29039-1349 x -17587-3053 x -7771
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 23,724,863, 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 | 23,724,863 | |
| -1 | -23,724,863 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,724,863.
Example:
1 x 23,724,863 = 23,724,863
and
-1 x -23,724,863 = 23,724,863
Notice both answers equal 23,724,863
With that explanation out of the way, let's continue. Next, we take the number 23,724,863 and divide it by 2:
23,724,863 ÷ 2 = 11,862,431.5
If the quotient is a whole number, then 2 and 11,862,431.5 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 | 23,724,863 | |
| -1 | -23,724,863 |
Now, we try dividing 23,724,863 by 3:
23,724,863 ÷ 3 = 7,908,287.6667
If the quotient is a whole number, then 3 and 7,908,287.6667 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 | 23,724,863 | |
| -1 | -23,724,863 |
Let's try dividing by 4:
23,724,863 ÷ 4 = 5,931,215.75
If the quotient is a whole number, then 4 and 5,931,215.75 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 | 23,724,863 | |
| -1 | 23,724,863 |
If you did it right, you will end up with this table:
| 1 | 19 | 43 | 71 | 409 | 817 | 1,349 | 3,053 | 7,771 | 17,587 | 29,039 | 58,007 | 334,153 | 551,741 | 1,248,677 | 23,724,863 |
| -1 | -19 | -43 | -71 | -409 | -817 | -1,349 | -3,053 | -7,771 | -17,587 | -29,039 | -58,007 | -334,153 | -551,741 | -1,248,677 | -23,724,863 |
Here are some more numbers to try:
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