A:
Positive:
1 x 90753855 x 181507711 x 82503555 x 165007157 x 57805785 x 115611051 x 86351727 x 5255
Negative:
-1 x -9075385-5 x -1815077-11 x -825035-55 x -165007-157 x -57805-785 x -11561-1051 x -8635-1727 x -5255
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 9,075,385, 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 | 9,075,385 | |
| -1 | -9,075,385 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 9,075,385.
Example:
1 x 9,075,385 = 9,075,385
and
-1 x -9,075,385 = 9,075,385
Notice both answers equal 9,075,385
With that explanation out of the way, let's continue. Next, we take the number 9,075,385 and divide it by 2:
9,075,385 ÷ 2 = 4,537,692.5
If the quotient is a whole number, then 2 and 4,537,692.5 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 | 9,075,385 | |
| -1 | -9,075,385 |
Now, we try dividing 9,075,385 by 3:
9,075,385 ÷ 3 = 3,025,128.3333
If the quotient is a whole number, then 3 and 3,025,128.3333 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 | 9,075,385 | |
| -1 | -9,075,385 |
Let's try dividing by 4:
9,075,385 ÷ 4 = 2,268,846.25
If the quotient is a whole number, then 4 and 2,268,846.25 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 | 9,075,385 | |
| -1 | 9,075,385 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 157 | 785 | 1,051 | 1,727 | 5,255 | 8,635 | 11,561 | 57,805 | 165,007 | 825,035 | 1,815,077 | 9,075,385 |
| -1 | -5 | -11 | -55 | -157 | -785 | -1,051 | -1,727 | -5,255 | -8,635 | -11,561 | -57,805 | -165,007 | -825,035 | -1,815,077 | -9,075,385 |
Here are some more numbers to try:
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