A:
Positive:
1 x 1006927855 x 2013855717 x 592310529 x 347216585 x 1184621145 x 694433493 x 2042452465 x 40849
Negative:
-1 x -100692785-5 x -20138557-17 x -5923105-29 x -3472165-85 x -1184621-145 x -694433-493 x -204245-2465 x -40849
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 100,692,785, 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 | 100,692,785 | |
| -1 | -100,692,785 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 100,692,785.
Example:
1 x 100,692,785 = 100,692,785
and
-1 x -100,692,785 = 100,692,785
Notice both answers equal 100,692,785
With that explanation out of the way, let's continue. Next, we take the number 100,692,785 and divide it by 2:
100,692,785 ÷ 2 = 50,346,392.5
If the quotient is a whole number, then 2 and 50,346,392.5 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 | 100,692,785 | |
| -1 | -100,692,785 |
Now, we try dividing 100,692,785 by 3:
100,692,785 ÷ 3 = 33,564,261.6667
If the quotient is a whole number, then 3 and 33,564,261.6667 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 | 100,692,785 | |
| -1 | -100,692,785 |
Let's try dividing by 4:
100,692,785 ÷ 4 = 25,173,196.25
If the quotient is a whole number, then 4 and 25,173,196.25 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 | 100,692,785 | |
| -1 | 100,692,785 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 29 | 85 | 145 | 493 | 2,465 | 40,849 | 204,245 | 694,433 | 1,184,621 | 3,472,165 | 5,923,105 | 20,138,557 | 100,692,785 |
| -1 | -5 | -17 | -29 | -85 | -145 | -493 | -2,465 | -40,849 | -204,245 | -694,433 | -1,184,621 | -3,472,165 | -5,923,105 | -20,138,557 | -100,692,785 |
Here are some more numbers to try:
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