A:
Positive:
1 x 179571855 x 359143717 x 105630519 x 94511585 x 21126195 x 189023323 x 555951615 x 11119
Negative:
-1 x -17957185-5 x -3591437-17 x -1056305-19 x -945115-85 x -211261-95 x -189023-323 x -55595-1615 x -11119
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 17,957,185, 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 | 17,957,185 | |
| -1 | -17,957,185 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,957,185.
Example:
1 x 17,957,185 = 17,957,185
and
-1 x -17,957,185 = 17,957,185
Notice both answers equal 17,957,185
With that explanation out of the way, let's continue. Next, we take the number 17,957,185 and divide it by 2:
17,957,185 ÷ 2 = 8,978,592.5
If the quotient is a whole number, then 2 and 8,978,592.5 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 | 17,957,185 | |
| -1 | -17,957,185 |
Now, we try dividing 17,957,185 by 3:
17,957,185 ÷ 3 = 5,985,728.3333
If the quotient is a whole number, then 3 and 5,985,728.3333 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 | 17,957,185 | |
| -1 | -17,957,185 |
Let's try dividing by 4:
17,957,185 ÷ 4 = 4,489,296.25
If the quotient is a whole number, then 4 and 4,489,296.25 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 | 17,957,185 | |
| -1 | 17,957,185 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 19 | 85 | 95 | 323 | 1,615 | 11,119 | 55,595 | 189,023 | 211,261 | 945,115 | 1,056,305 | 3,591,437 | 17,957,185 |
| -1 | -5 | -17 | -19 | -85 | -95 | -323 | -1,615 | -11,119 | -55,595 | -189,023 | -211,261 | -945,115 | -1,056,305 | -3,591,437 | -17,957,185 |
Here are some more numbers to try:
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