A:
Positive:
1 x 19588255 x 39176511 x 17807517 x 11522525 x 7835355 x 3561585 x 23045187 x 10475275 x 7123419 x 4675425 x 4609935 x 2095
Negative:
-1 x -1958825-5 x -391765-11 x -178075-17 x -115225-25 x -78353-55 x -35615-85 x -23045-187 x -10475-275 x -7123-419 x -4675-425 x -4609-935 x -2095
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 1,958,825, 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 | 1,958,825 | |
| -1 | -1,958,825 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,958,825.
Example:
1 x 1,958,825 = 1,958,825
and
-1 x -1,958,825 = 1,958,825
Notice both answers equal 1,958,825
With that explanation out of the way, let's continue. Next, we take the number 1,958,825 and divide it by 2:
1,958,825 ÷ 2 = 979,412.5
If the quotient is a whole number, then 2 and 979,412.5 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 | 1,958,825 | |
| -1 | -1,958,825 |
Now, we try dividing 1,958,825 by 3:
1,958,825 ÷ 3 = 652,941.6667
If the quotient is a whole number, then 3 and 652,941.6667 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 | 1,958,825 | |
| -1 | -1,958,825 |
Let's try dividing by 4:
1,958,825 ÷ 4 = 489,706.25
If the quotient is a whole number, then 4 and 489,706.25 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 | 1,958,825 | |
| -1 | 1,958,825 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 17 | 25 | 55 | 85 | 187 | 275 | 419 | 425 | 935 | 2,095 | 4,609 | 4,675 | 7,123 | 10,475 | 23,045 | 35,615 | 78,353 | 115,225 | 178,075 | 391,765 | 1,958,825 |
| -1 | -5 | -11 | -17 | -25 | -55 | -85 | -187 | -275 | -419 | -425 | -935 | -2,095 | -4,609 | -4,675 | -7,123 | -10,475 | -23,045 | -35,615 | -78,353 | -115,225 | -178,075 | -391,765 | -1,958,825 |
Here are some more numbers to try:
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