A:
Positive:
1 x 17988255 x 3597657 x 25697519 x 9467525 x 7195335 x 5139595 x 18935133 x 13525175 x 10279475 x 3787541 x 3325665 x 2705
Negative:
-1 x -1798825-5 x -359765-7 x -256975-19 x -94675-25 x -71953-35 x -51395-95 x -18935-133 x -13525-175 x -10279-475 x -3787-541 x -3325-665 x -2705
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 1,798,825, 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 | 1,798,825 | |
| -1 | -1,798,825 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,798,825.
Example:
1 x 1,798,825 = 1,798,825
and
-1 x -1,798,825 = 1,798,825
Notice both answers equal 1,798,825
With that explanation out of the way, let's continue. Next, we take the number 1,798,825 and divide it by 2:
1,798,825 ÷ 2 = 899,412.5
If the quotient is a whole number, then 2 and 899,412.5 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 | 1,798,825 | |
| -1 | -1,798,825 |
Now, we try dividing 1,798,825 by 3:
1,798,825 ÷ 3 = 599,608.3333
If the quotient is a whole number, then 3 and 599,608.3333 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 | 1,798,825 | |
| -1 | -1,798,825 |
Let's try dividing by 4:
1,798,825 ÷ 4 = 449,706.25
If the quotient is a whole number, then 4 and 449,706.25 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 | 1,798,825 | |
| -1 | 1,798,825 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 19 | 25 | 35 | 95 | 133 | 175 | 475 | 541 | 665 | 2,705 | 3,325 | 3,787 | 10,279 | 13,525 | 18,935 | 51,395 | 71,953 | 94,675 | 256,975 | 359,765 | 1,798,825 |
| -1 | -5 | -7 | -19 | -25 | -35 | -95 | -133 | -175 | -475 | -541 | -665 | -2,705 | -3,325 | -3,787 | -10,279 | -13,525 | -18,935 | -51,395 | -71,953 | -94,675 | -256,975 | -359,765 | -1,798,825 |
Here are some more numbers to try:
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