A:
Positive:
1 x 1090928655 x 218185737 x 1558469535 x 311693949 x 2226385245 x 445277343 x 3180551715 x 63611
Negative:
-1 x -109092865-5 x -21818573-7 x -15584695-35 x -3116939-49 x -2226385-245 x -445277-343 x -318055-1715 x -63611
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 109,092,865, 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 | 109,092,865 | |
| -1 | -109,092,865 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 109,092,865.
Example:
1 x 109,092,865 = 109,092,865
and
-1 x -109,092,865 = 109,092,865
Notice both answers equal 109,092,865
With that explanation out of the way, let's continue. Next, we take the number 109,092,865 and divide it by 2:
109,092,865 ÷ 2 = 54,546,432.5
If the quotient is a whole number, then 2 and 54,546,432.5 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 | 109,092,865 | |
| -1 | -109,092,865 |
Now, we try dividing 109,092,865 by 3:
109,092,865 ÷ 3 = 36,364,288.3333
If the quotient is a whole number, then 3 and 36,364,288.3333 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 | 109,092,865 | |
| -1 | -109,092,865 |
Let's try dividing by 4:
109,092,865 ÷ 4 = 27,273,216.25
If the quotient is a whole number, then 4 and 27,273,216.25 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 | 109,092,865 | |
| -1 | 109,092,865 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 245 | 343 | 1,715 | 63,611 | 318,055 | 445,277 | 2,226,385 | 3,116,939 | 15,584,695 | 21,818,573 | 109,092,865 |
| -1 | -5 | -7 | -35 | -49 | -245 | -343 | -1,715 | -63,611 | -318,055 | -445,277 | -2,226,385 | -3,116,939 | -15,584,695 | -21,818,573 | -109,092,865 |
Here are some more numbers to try:
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