A:
Positive:
1 x 98386555 x 196773153 x 185635137 x 71815265 x 37127271 x 36305685 x 143631355 x 7261
Negative:
-1 x -9838655-5 x -1967731-53 x -185635-137 x -71815-265 x -37127-271 x -36305-685 x -14363-1355 x -7261
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 9,838,655, 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 | 9,838,655 | |
| -1 | -9,838,655 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 9,838,655.
Example:
1 x 9,838,655 = 9,838,655
and
-1 x -9,838,655 = 9,838,655
Notice both answers equal 9,838,655
With that explanation out of the way, let's continue. Next, we take the number 9,838,655 and divide it by 2:
9,838,655 ÷ 2 = 4,919,327.5
If the quotient is a whole number, then 2 and 4,919,327.5 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 | 9,838,655 | |
| -1 | -9,838,655 |
Now, we try dividing 9,838,655 by 3:
9,838,655 ÷ 3 = 3,279,551.6667
If the quotient is a whole number, then 3 and 3,279,551.6667 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 | 9,838,655 | |
| -1 | -9,838,655 |
Let's try dividing by 4:
9,838,655 ÷ 4 = 2,459,663.75
If the quotient is a whole number, then 4 and 2,459,663.75 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 | 9,838,655 | |
| -1 | 9,838,655 |
If you did it right, you will end up with this table:
| 1 | 5 | 53 | 137 | 265 | 271 | 685 | 1,355 | 7,261 | 14,363 | 36,305 | 37,127 | 71,815 | 185,635 | 1,967,731 | 9,838,655 |
| -1 | -5 | -53 | -137 | -265 | -271 | -685 | -1,355 | -7,261 | -14,363 | -36,305 | -37,127 | -71,815 | -185,635 | -1,967,731 | -9,838,655 |
Here are some more numbers to try:
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