A:
Positive:
1 x 1901682 x 950844 x 475428 x 2377111 x 1728822 x 864444 x 432288 x 2161
Negative:
-1 x -190168-2 x -95084-4 x -47542-8 x -23771-11 x -17288-22 x -8644-44 x -4322-88 x -2161
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 190,168, 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 | 190,168 | |
| -1 | -190,168 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 190,168.
Example:
1 x 190,168 = 190,168
and
-1 x -190,168 = 190,168
Notice both answers equal 190,168
With that explanation out of the way, let's continue. Next, we take the number 190,168 and divide it by 2:
190,168 ÷ 2 = 95,084
If the quotient is a whole number, then 2 and 95,084 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 95,084 | 190,168 | |
| -1 | -2 | -95,084 | -190,168 |
Now, we try dividing 190,168 by 3:
190,168 ÷ 3 = 63,389.3333
If the quotient is a whole number, then 3 and 63,389.3333 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 | 2 | 95,084 | 190,168 | |
| -1 | -2 | -95,084 | -190,168 |
Let's try dividing by 4:
190,168 ÷ 4 = 47,542
If the quotient is a whole number, then 4 and 47,542 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 4 | 47,542 | 95,084 | 190,168 | |
| -1 | -2 | -4 | -47,542 | -95,084 | 190,168 |
If you did it right, you will end up with this table:
| 1 | 2 | 4 | 8 | 11 | 22 | 44 | 88 | 2,161 | 4,322 | 8,644 | 17,288 | 23,771 | 47,542 | 95,084 | 190,168 |
| -1 | -2 | -4 | -8 | -11 | -22 | -44 | -88 | -2,161 | -4,322 | -8,644 | -17,288 | -23,771 | -47,542 | -95,084 | -190,168 |
Here are some more numbers to try:
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