A:
Positive:
1 x 16885255 x 33770517 x 9932525 x 6754129 x 5822585 x 19865137 x 12325145 x 11645425 x 3973493 x 3425685 x 2465725 x 2329
Negative:
-1 x -1688525-5 x -337705-17 x -99325-25 x -67541-29 x -58225-85 x -19865-137 x -12325-145 x -11645-425 x -3973-493 x -3425-685 x -2465-725 x -2329
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 1,688,525, 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 | 1,688,525 | |
| -1 | -1,688,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,688,525.
Example:
1 x 1,688,525 = 1,688,525
and
-1 x -1,688,525 = 1,688,525
Notice both answers equal 1,688,525
With that explanation out of the way, let's continue. Next, we take the number 1,688,525 and divide it by 2:
1,688,525 ÷ 2 = 844,262.5
If the quotient is a whole number, then 2 and 844,262.5 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 | 1,688,525 | |
| -1 | -1,688,525 |
Now, we try dividing 1,688,525 by 3:
1,688,525 ÷ 3 = 562,841.6667
If the quotient is a whole number, then 3 and 562,841.6667 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 | 1,688,525 | |
| -1 | -1,688,525 |
Let's try dividing by 4:
1,688,525 ÷ 4 = 422,131.25
If the quotient is a whole number, then 4 and 422,131.25 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 | 1,688,525 | |
| -1 | 1,688,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 25 | 29 | 85 | 137 | 145 | 425 | 493 | 685 | 725 | 2,329 | 2,465 | 3,425 | 3,973 | 11,645 | 12,325 | 19,865 | 58,225 | 67,541 | 99,325 | 337,705 | 1,688,525 |
| -1 | -5 | -17 | -25 | -29 | -85 | -137 | -145 | -425 | -493 | -685 | -725 | -2,329 | -2,465 | -3,425 | -3,973 | -11,645 | -12,325 | -19,865 | -58,225 | -67,541 | -99,325 | -337,705 | -1,688,525 |
Here are some more numbers to try:
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