A:
Positive:
1 x 192460855 x 384921767 x 28725573 x 263645335 x 57451365 x 52729787 x 244553935 x 4891
Negative:
-1 x -19246085-5 x -3849217-67 x -287255-73 x -263645-335 x -57451-365 x -52729-787 x -24455-3935 x -4891
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 19,246,085, 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 | 19,246,085 | |
| -1 | -19,246,085 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 19,246,085.
Example:
1 x 19,246,085 = 19,246,085
and
-1 x -19,246,085 = 19,246,085
Notice both answers equal 19,246,085
With that explanation out of the way, let's continue. Next, we take the number 19,246,085 and divide it by 2:
19,246,085 ÷ 2 = 9,623,042.5
If the quotient is a whole number, then 2 and 9,623,042.5 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 | 19,246,085 | |
| -1 | -19,246,085 |
Now, we try dividing 19,246,085 by 3:
19,246,085 ÷ 3 = 6,415,361.6667
If the quotient is a whole number, then 3 and 6,415,361.6667 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 | 19,246,085 | |
| -1 | -19,246,085 |
Let's try dividing by 4:
19,246,085 ÷ 4 = 4,811,521.25
If the quotient is a whole number, then 4 and 4,811,521.25 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 | 19,246,085 | |
| -1 | 19,246,085 |
If you did it right, you will end up with this table:
| 1 | 5 | 67 | 73 | 335 | 365 | 787 | 3,935 | 4,891 | 24,455 | 52,729 | 57,451 | 263,645 | 287,255 | 3,849,217 | 19,246,085 |
| -1 | -5 | -67 | -73 | -335 | -365 | -787 | -3,935 | -4,891 | -24,455 | -52,729 | -57,451 | -263,645 | -287,255 | -3,849,217 | -19,246,085 |
Here are some more numbers to try:
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