A:
Positive:
1 x 1151125455 x 2302250919 x 605855595 x 1211711199 x 578455995 x 1156913781 x 304456089 x 18905
Negative:
-1 x -115112545-5 x -23022509-19 x -6058555-95 x -1211711-199 x -578455-995 x -115691-3781 x -30445-6089 x -18905
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 115,112,545, 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 | 115,112,545 | |
| -1 | -115,112,545 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 115,112,545.
Example:
1 x 115,112,545 = 115,112,545
and
-1 x -115,112,545 = 115,112,545
Notice both answers equal 115,112,545
With that explanation out of the way, let's continue. Next, we take the number 115,112,545 and divide it by 2:
115,112,545 ÷ 2 = 57,556,272.5
If the quotient is a whole number, then 2 and 57,556,272.5 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 | 115,112,545 | |
| -1 | -115,112,545 |
Now, we try dividing 115,112,545 by 3:
115,112,545 ÷ 3 = 38,370,848.3333
If the quotient is a whole number, then 3 and 38,370,848.3333 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 | 115,112,545 | |
| -1 | -115,112,545 |
Let's try dividing by 4:
115,112,545 ÷ 4 = 28,778,136.25
If the quotient is a whole number, then 4 and 28,778,136.25 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 | 115,112,545 | |
| -1 | 115,112,545 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 199 | 995 | 3,781 | 6,089 | 18,905 | 30,445 | 115,691 | 578,455 | 1,211,711 | 6,058,555 | 23,022,509 | 115,112,545 |
| -1 | -5 | -19 | -95 | -199 | -995 | -3,781 | -6,089 | -18,905 | -30,445 | -115,691 | -578,455 | -1,211,711 | -6,058,555 | -23,022,509 | -115,112,545 |
Here are some more numbers to try:
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