A:
Positive:
1 x 832411855 x 1664823719 x 438111595 x 876223107 x 777955361 x 230585431 x 193135535 x 1555911805 x 461172033 x 409452155 x 386278189 x 10165
Negative:
-1 x -83241185-5 x -16648237-19 x -4381115-95 x -876223-107 x -777955-361 x -230585-431 x -193135-535 x -155591-1805 x -46117-2033 x -40945-2155 x -38627-8189 x -10165
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 83,241,185, 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 | 83,241,185 | |
| -1 | -83,241,185 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 83,241,185.
Example:
1 x 83,241,185 = 83,241,185
and
-1 x -83,241,185 = 83,241,185
Notice both answers equal 83,241,185
With that explanation out of the way, let's continue. Next, we take the number 83,241,185 and divide it by 2:
83,241,185 ÷ 2 = 41,620,592.5
If the quotient is a whole number, then 2 and 41,620,592.5 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 | 83,241,185 | |
| -1 | -83,241,185 |
Now, we try dividing 83,241,185 by 3:
83,241,185 ÷ 3 = 27,747,061.6667
If the quotient is a whole number, then 3 and 27,747,061.6667 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 | 83,241,185 | |
| -1 | -83,241,185 |
Let's try dividing by 4:
83,241,185 ÷ 4 = 20,810,296.25
If the quotient is a whole number, then 4 and 20,810,296.25 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 | 83,241,185 | |
| -1 | 83,241,185 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 107 | 361 | 431 | 535 | 1,805 | 2,033 | 2,155 | 8,189 | 10,165 | 38,627 | 40,945 | 46,117 | 155,591 | 193,135 | 230,585 | 777,955 | 876,223 | 4,381,115 | 16,648,237 | 83,241,185 |
| -1 | -5 | -19 | -95 | -107 | -361 | -431 | -535 | -1,805 | -2,033 | -2,155 | -8,189 | -10,165 | -38,627 | -40,945 | -46,117 | -155,591 | -193,135 | -230,585 | -777,955 | -876,223 | -4,381,115 | -16,648,237 | -83,241,185 |
Here are some more numbers to try:
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