A:
Positive:
1 x 636128355 x 1272256711 x 578298513 x 489329555 x 115659765 x 978659143 x 444845715 x 88969
Negative:
-1 x -63612835-5 x -12722567-11 x -5782985-13 x -4893295-55 x -1156597-65 x -978659-143 x -444845-715 x -88969
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 63,612,835, 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 | 63,612,835 | |
| -1 | -63,612,835 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 63,612,835.
Example:
1 x 63,612,835 = 63,612,835
and
-1 x -63,612,835 = 63,612,835
Notice both answers equal 63,612,835
With that explanation out of the way, let's continue. Next, we take the number 63,612,835 and divide it by 2:
63,612,835 ÷ 2 = 31,806,417.5
If the quotient is a whole number, then 2 and 31,806,417.5 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 | 63,612,835 | |
| -1 | -63,612,835 |
Now, we try dividing 63,612,835 by 3:
63,612,835 ÷ 3 = 21,204,278.3333
If the quotient is a whole number, then 3 and 21,204,278.3333 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 | 63,612,835 | |
| -1 | -63,612,835 |
Let's try dividing by 4:
63,612,835 ÷ 4 = 15,903,208.75
If the quotient is a whole number, then 4 and 15,903,208.75 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 | 63,612,835 | |
| -1 | 63,612,835 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 55 | 65 | 143 | 715 | 88,969 | 444,845 | 978,659 | 1,156,597 | 4,893,295 | 5,782,985 | 12,722,567 | 63,612,835 |
| -1 | -5 | -11 | -13 | -55 | -65 | -143 | -715 | -88,969 | -444,845 | -978,659 | -1,156,597 | -4,893,295 | -5,782,985 | -12,722,567 | -63,612,835 |
Here are some more numbers to try:
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