A:
Positive:
1 x 1186263055 x 237252617 x 1694661531 x 382665535 x 338932349 x 2420945155 x 765331217 x 546665245 x 4841891085 x 1093331519 x 780957595 x 15619
Negative:
-1 x -118626305-5 x -23725261-7 x -16946615-31 x -3826655-35 x -3389323-49 x -2420945-155 x -765331-217 x -546665-245 x -484189-1085 x -109333-1519 x -78095-7595 x -15619
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 118,626,305, 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 | 118,626,305 | |
| -1 | -118,626,305 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 118,626,305.
Example:
1 x 118,626,305 = 118,626,305
and
-1 x -118,626,305 = 118,626,305
Notice both answers equal 118,626,305
With that explanation out of the way, let's continue. Next, we take the number 118,626,305 and divide it by 2:
118,626,305 ÷ 2 = 59,313,152.5
If the quotient is a whole number, then 2 and 59,313,152.5 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 | 118,626,305 | |
| -1 | -118,626,305 |
Now, we try dividing 118,626,305 by 3:
118,626,305 ÷ 3 = 39,542,101.6667
If the quotient is a whole number, then 3 and 39,542,101.6667 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 | 118,626,305 | |
| -1 | -118,626,305 |
Let's try dividing by 4:
118,626,305 ÷ 4 = 29,656,576.25
If the quotient is a whole number, then 4 and 29,656,576.25 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 | 118,626,305 | |
| -1 | 118,626,305 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 31 | 35 | 49 | 155 | 217 | 245 | 1,085 | 1,519 | 7,595 | 15,619 | 78,095 | 109,333 | 484,189 | 546,665 | 765,331 | 2,420,945 | 3,389,323 | 3,826,655 | 16,946,615 | 23,725,261 | 118,626,305 |
| -1 | -5 | -7 | -31 | -35 | -49 | -155 | -217 | -245 | -1,085 | -1,519 | -7,595 | -15,619 | -78,095 | -109,333 | -484,189 | -546,665 | -765,331 | -2,420,945 | -3,389,323 | -3,826,655 | -16,946,615 | -23,725,261 | -118,626,305 |
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