A:
Positive:
1 x 9889755 x 19779513 x 7607517 x 5817525 x 3955965 x 1521585 x 11635179 x 5525221 x 4475325 x 3043425 x 2327895 x 1105
Negative:
-1 x -988975-5 x -197795-13 x -76075-17 x -58175-25 x -39559-65 x -15215-85 x -11635-179 x -5525-221 x -4475-325 x -3043-425 x -2327-895 x -1105
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 988,975, 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 | 988,975 | |
| -1 | -988,975 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 988,975.
Example:
1 x 988,975 = 988,975
and
-1 x -988,975 = 988,975
Notice both answers equal 988,975
With that explanation out of the way, let's continue. Next, we take the number 988,975 and divide it by 2:
988,975 ÷ 2 = 494,487.5
If the quotient is a whole number, then 2 and 494,487.5 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 | 988,975 | |
| -1 | -988,975 |
Now, we try dividing 988,975 by 3:
988,975 ÷ 3 = 329,658.3333
If the quotient is a whole number, then 3 and 329,658.3333 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 | 988,975 | |
| -1 | -988,975 |
Let's try dividing by 4:
988,975 ÷ 4 = 247,243.75
If the quotient is a whole number, then 4 and 247,243.75 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 | 988,975 | |
| -1 | 988,975 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 17 | 25 | 65 | 85 | 179 | 221 | 325 | 425 | 895 | 1,105 | 2,327 | 3,043 | 4,475 | 5,525 | 11,635 | 15,215 | 39,559 | 58,175 | 76,075 | 197,795 | 988,975 |
| -1 | -5 | -13 | -17 | -25 | -65 | -85 | -179 | -221 | -325 | -425 | -895 | -1,105 | -2,327 | -3,043 | -4,475 | -5,525 | -11,635 | -15,215 | -39,559 | -58,175 | -76,075 | -197,795 | -988,975 |
Here are some more numbers to try:
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