A:
Positive:
1 x 18197655 x 36395317 x 10704579 x 2303585 x 21409271 x 6715395 x 46071343 x 1355
Negative:
-1 x -1819765-5 x -363953-17 x -107045-79 x -23035-85 x -21409-271 x -6715-395 x -4607-1343 x -1355
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 1,819,765, 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 | 1,819,765 | |
| -1 | -1,819,765 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,819,765.
Example:
1 x 1,819,765 = 1,819,765
and
-1 x -1,819,765 = 1,819,765
Notice both answers equal 1,819,765
With that explanation out of the way, let's continue. Next, we take the number 1,819,765 and divide it by 2:
1,819,765 ÷ 2 = 909,882.5
If the quotient is a whole number, then 2 and 909,882.5 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 | 1,819,765 | |
| -1 | -1,819,765 |
Now, we try dividing 1,819,765 by 3:
1,819,765 ÷ 3 = 606,588.3333
If the quotient is a whole number, then 3 and 606,588.3333 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 | 1,819,765 | |
| -1 | -1,819,765 |
Let's try dividing by 4:
1,819,765 ÷ 4 = 454,941.25
If the quotient is a whole number, then 4 and 454,941.25 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 | 1,819,765 | |
| -1 | 1,819,765 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 79 | 85 | 271 | 395 | 1,343 | 1,355 | 4,607 | 6,715 | 21,409 | 23,035 | 107,045 | 363,953 | 1,819,765 |
| -1 | -5 | -17 | -79 | -85 | -271 | -395 | -1,343 | -1,355 | -4,607 | -6,715 | -21,409 | -23,035 | -107,045 | -363,953 | -1,819,765 |
Here are some more numbers to try:
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