A:
Positive:
1 x 6206755 x 12413511 x 5642525 x 2482737 x 1677555 x 1128561 x 10175185 x 3355275 x 2257305 x 2035407 x 1525671 x 925
Negative:
-1 x -620675-5 x -124135-11 x -56425-25 x -24827-37 x -16775-55 x -11285-61 x -10175-185 x -3355-275 x -2257-305 x -2035-407 x -1525-671 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 620,675, 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 | 620,675 | |
| -1 | -620,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 620,675.
Example:
1 x 620,675 = 620,675
and
-1 x -620,675 = 620,675
Notice both answers equal 620,675
With that explanation out of the way, let's continue. Next, we take the number 620,675 and divide it by 2:
620,675 ÷ 2 = 310,337.5
If the quotient is a whole number, then 2 and 310,337.5 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 | 620,675 | |
| -1 | -620,675 |
Now, we try dividing 620,675 by 3:
620,675 ÷ 3 = 206,891.6667
If the quotient is a whole number, then 3 and 206,891.6667 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 | 620,675 | |
| -1 | -620,675 |
Let's try dividing by 4:
620,675 ÷ 4 = 155,168.75
If the quotient is a whole number, then 4 and 155,168.75 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 | 620,675 | |
| -1 | 620,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 37 | 55 | 61 | 185 | 275 | 305 | 407 | 671 | 925 | 1,525 | 2,035 | 2,257 | 3,355 | 10,175 | 11,285 | 16,775 | 24,827 | 56,425 | 124,135 | 620,675 |
| -1 | -5 | -11 | -25 | -37 | -55 | -61 | -185 | -275 | -305 | -407 | -671 | -925 | -1,525 | -2,035 | -2,257 | -3,355 | -10,175 | -11,285 | -16,775 | -24,827 | -56,425 | -124,135 | -620,675 |
Here are some more numbers to try:
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