A:
Positive:
1 x 19077355 x 38154723 x 8294553 x 35995115 x 16589265 x 7199313 x 60951219 x 1565
Negative:
-1 x -1907735-5 x -381547-23 x -82945-53 x -35995-115 x -16589-265 x -7199-313 x -6095-1219 x -1565
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 1,907,735, 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 | 1,907,735 | |
| -1 | -1,907,735 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,907,735.
Example:
1 x 1,907,735 = 1,907,735
and
-1 x -1,907,735 = 1,907,735
Notice both answers equal 1,907,735
With that explanation out of the way, let's continue. Next, we take the number 1,907,735 and divide it by 2:
1,907,735 ÷ 2 = 953,867.5
If the quotient is a whole number, then 2 and 953,867.5 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 | 1,907,735 | |
| -1 | -1,907,735 |
Now, we try dividing 1,907,735 by 3:
1,907,735 ÷ 3 = 635,911.6667
If the quotient is a whole number, then 3 and 635,911.6667 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 | 1,907,735 | |
| -1 | -1,907,735 |
Let's try dividing by 4:
1,907,735 ÷ 4 = 476,933.75
If the quotient is a whole number, then 4 and 476,933.75 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 | 1,907,735 | |
| -1 | 1,907,735 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 53 | 115 | 265 | 313 | 1,219 | 1,565 | 6,095 | 7,199 | 16,589 | 35,995 | 82,945 | 381,547 | 1,907,735 |
| -1 | -5 | -23 | -53 | -115 | -265 | -313 | -1,219 | -1,565 | -6,095 | -7,199 | -16,589 | -35,995 | -82,945 | -381,547 | -1,907,735 |
Here are some more numbers to try:
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