A:
Positive:
1 x 632459877 x 903514137 x 1709351113 x 559699259 x 244193791 x 799572161 x 292674181 x 15127
Negative:
-1 x -63245987-7 x -9035141-37 x -1709351-113 x -559699-259 x -244193-791 x -79957-2161 x -29267-4181 x -15127
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 63,245,987, 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 | 63,245,987 | |
| -1 | -63,245,987 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 63,245,987.
Example:
1 x 63,245,987 = 63,245,987
and
-1 x -63,245,987 = 63,245,987
Notice both answers equal 63,245,987
With that explanation out of the way, let's continue. Next, we take the number 63,245,987 and divide it by 2:
63,245,987 ÷ 2 = 31,622,993.5
If the quotient is a whole number, then 2 and 31,622,993.5 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 | 63,245,987 | |
| -1 | -63,245,987 |
Now, we try dividing 63,245,987 by 3:
63,245,987 ÷ 3 = 21,081,995.6667
If the quotient is a whole number, then 3 and 21,081,995.6667 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 | 63,245,987 | |
| -1 | -63,245,987 |
Let's try dividing by 4:
63,245,987 ÷ 4 = 15,811,496.75
If the quotient is a whole number, then 4 and 15,811,496.75 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 | 63,245,987 | |
| -1 | 63,245,987 |
If you did it right, you will end up with this table:
| 1 | 7 | 37 | 113 | 259 | 791 | 2,161 | 4,181 | 15,127 | 29,267 | 79,957 | 244,193 | 559,699 | 1,709,351 | 9,035,141 | 63,245,987 |
| -1 | -7 | -37 | -113 | -259 | -791 | -2,161 | -4,181 | -15,127 | -29,267 | -79,957 | -244,193 | -559,699 | -1,709,351 | -9,035,141 | -63,245,987 |
Here are some more numbers to try:
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