A:
Positive:
1 x 6280755 x 1256157 x 8972525 x 2512335 x 1794537 x 1697597 x 6475175 x 3589185 x 3395259 x 2425485 x 1295679 x 925
Negative:
-1 x -628075-5 x -125615-7 x -89725-25 x -25123-35 x -17945-37 x -16975-97 x -6475-175 x -3589-185 x -3395-259 x -2425-485 x -1295-679 x -925
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 628,075, 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 | 628,075 | |
| -1 | -628,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 628,075.
Example:
1 x 628,075 = 628,075
and
-1 x -628,075 = 628,075
Notice both answers equal 628,075
With that explanation out of the way, let's continue. Next, we take the number 628,075 and divide it by 2:
628,075 ÷ 2 = 314,037.5
If the quotient is a whole number, then 2 and 314,037.5 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 | 628,075 | |
| -1 | -628,075 |
Now, we try dividing 628,075 by 3:
628,075 ÷ 3 = 209,358.3333
If the quotient is a whole number, then 3 and 209,358.3333 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 | 628,075 | |
| -1 | -628,075 |
Let's try dividing by 4:
628,075 ÷ 4 = 157,018.75
If the quotient is a whole number, then 4 and 157,018.75 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 | 628,075 | |
| -1 | 628,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 37 | 97 | 175 | 185 | 259 | 485 | 679 | 925 | 1,295 | 2,425 | 3,395 | 3,589 | 6,475 | 16,975 | 17,945 | 25,123 | 89,725 | 125,615 | 628,075 |
| -1 | -5 | -7 | -25 | -35 | -37 | -97 | -175 | -185 | -259 | -485 | -679 | -925 | -1,295 | -2,425 | -3,395 | -3,589 | -6,475 | -16,975 | -17,945 | -25,123 | -89,725 | -125,615 | -628,075 |
Here are some more numbers to try:
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