A:
Positive:
1 x 845268055 x 1690536111 x 768425517 x 497216555 x 153685185 x 994433187 x 452015935 x 90403
Negative:
-1 x -84526805-5 x -16905361-11 x -7684255-17 x -4972165-55 x -1536851-85 x -994433-187 x -452015-935 x -90403
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 84,526,805, 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 | 84,526,805 | |
| -1 | -84,526,805 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 84,526,805.
Example:
1 x 84,526,805 = 84,526,805
and
-1 x -84,526,805 = 84,526,805
Notice both answers equal 84,526,805
With that explanation out of the way, let's continue. Next, we take the number 84,526,805 and divide it by 2:
84,526,805 ÷ 2 = 42,263,402.5
If the quotient is a whole number, then 2 and 42,263,402.5 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 | 84,526,805 | |
| -1 | -84,526,805 |
Now, we try dividing 84,526,805 by 3:
84,526,805 ÷ 3 = 28,175,601.6667
If the quotient is a whole number, then 3 and 28,175,601.6667 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 | 84,526,805 | |
| -1 | -84,526,805 |
Let's try dividing by 4:
84,526,805 ÷ 4 = 21,131,701.25
If the quotient is a whole number, then 4 and 21,131,701.25 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 | 84,526,805 | |
| -1 | 84,526,805 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 17 | 55 | 85 | 187 | 935 | 90,403 | 452,015 | 994,433 | 1,536,851 | 4,972,165 | 7,684,255 | 16,905,361 | 84,526,805 |
| -1 | -5 | -11 | -17 | -55 | -85 | -187 | -935 | -90,403 | -452,015 | -994,433 | -1,536,851 | -4,972,165 | -7,684,255 | -16,905,361 | -84,526,805 |
Here are some more numbers to try:
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