A:
Positive:
1 x 904755 x 180957 x 1292511 x 822525 x 361935 x 258547 x 192555 x 164577 x 1175175 x 517235 x 385275 x 329
Negative:
-1 x -90475-5 x -18095-7 x -12925-11 x -8225-25 x -3619-35 x -2585-47 x -1925-55 x -1645-77 x -1175-175 x -517-235 x -385-275 x -329
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 90,475, 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 | 90,475 | |
| -1 | -90,475 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 90,475.
Example:
1 x 90,475 = 90,475
and
-1 x -90,475 = 90,475
Notice both answers equal 90,475
With that explanation out of the way, let's continue. Next, we take the number 90,475 and divide it by 2:
90,475 ÷ 2 = 45,237.5
If the quotient is a whole number, then 2 and 45,237.5 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 | 90,475 | |
| -1 | -90,475 |
Now, we try dividing 90,475 by 3:
90,475 ÷ 3 = 30,158.3333
If the quotient is a whole number, then 3 and 30,158.3333 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 | 90,475 | |
| -1 | -90,475 |
Let's try dividing by 4:
90,475 ÷ 4 = 22,618.75
If the quotient is a whole number, then 4 and 22,618.75 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 | 90,475 | |
| -1 | 90,475 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 25 | 35 | 47 | 55 | 77 | 175 | 235 | 275 | 329 | 385 | 517 | 1,175 | 1,645 | 1,925 | 2,585 | 3,619 | 8,225 | 12,925 | 18,095 | 90,475 |
| -1 | -5 | -7 | -11 | -25 | -35 | -47 | -55 | -77 | -175 | -235 | -275 | -329 | -385 | -517 | -1,175 | -1,645 | -1,925 | -2,585 | -3,619 | -8,225 | -12,925 | -18,095 | -90,475 |
Here are some more numbers to try:
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