A:
Positive:
1 x 11564541729 x 398777353 x 218198967 x 17260511123 x 1029791537 x 752411943 x 595193551 x 32567
Negative:
-1 x -115645417-29 x -3987773-53 x -2181989-67 x -1726051-1123 x -102979-1537 x -75241-1943 x -59519-3551 x -32567
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 115,645,417, 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 | 115,645,417 | |
| -1 | -115,645,417 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 115,645,417.
Example:
1 x 115,645,417 = 115,645,417
and
-1 x -115,645,417 = 115,645,417
Notice both answers equal 115,645,417
With that explanation out of the way, let's continue. Next, we take the number 115,645,417 and divide it by 2:
115,645,417 ÷ 2 = 57,822,708.5
If the quotient is a whole number, then 2 and 57,822,708.5 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 | 115,645,417 | |
| -1 | -115,645,417 |
Now, we try dividing 115,645,417 by 3:
115,645,417 ÷ 3 = 38,548,472.3333
If the quotient is a whole number, then 3 and 38,548,472.3333 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 | 115,645,417 | |
| -1 | -115,645,417 |
Let's try dividing by 4:
115,645,417 ÷ 4 = 28,911,354.25
If the quotient is a whole number, then 4 and 28,911,354.25 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 | 115,645,417 | |
| -1 | 115,645,417 |
If you did it right, you will end up with this table:
| 1 | 29 | 53 | 67 | 1,123 | 1,537 | 1,943 | 3,551 | 32,567 | 59,519 | 75,241 | 102,979 | 1,726,051 | 2,181,989 | 3,987,773 | 115,645,417 |
| -1 | -29 | -53 | -67 | -1,123 | -1,537 | -1,943 | -3,551 | -32,567 | -59,519 | -75,241 | -102,979 | -1,726,051 | -2,181,989 | -3,987,773 | -115,645,417 |
Here are some more numbers to try:
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