A:
Positive:
1 x 6876706111 x 625155119 x 3619319151 x 455411209 x 3290291661 x 414012179 x 315592869 x 23969
Negative:
-1 x -68767061-11 x -6251551-19 x -3619319-151 x -455411-209 x -329029-1661 x -41401-2179 x -31559-2869 x -23969
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 68,767,061, 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 | 68,767,061 | |
| -1 | -68,767,061 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 68,767,061.
Example:
1 x 68,767,061 = 68,767,061
and
-1 x -68,767,061 = 68,767,061
Notice both answers equal 68,767,061
With that explanation out of the way, let's continue. Next, we take the number 68,767,061 and divide it by 2:
68,767,061 ÷ 2 = 34,383,530.5
If the quotient is a whole number, then 2 and 34,383,530.5 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 | 68,767,061 | |
| -1 | -68,767,061 |
Now, we try dividing 68,767,061 by 3:
68,767,061 ÷ 3 = 22,922,353.6667
If the quotient is a whole number, then 3 and 22,922,353.6667 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 | 68,767,061 | |
| -1 | -68,767,061 |
Let's try dividing by 4:
68,767,061 ÷ 4 = 17,191,765.25
If the quotient is a whole number, then 4 and 17,191,765.25 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 | 68,767,061 | |
| -1 | 68,767,061 |
If you did it right, you will end up with this table:
| 1 | 11 | 19 | 151 | 209 | 1,661 | 2,179 | 2,869 | 23,969 | 31,559 | 41,401 | 329,029 | 455,411 | 3,619,319 | 6,251,551 | 68,767,061 |
| -1 | -11 | -19 | -151 | -209 | -1,661 | -2,179 | -2,869 | -23,969 | -31,559 | -41,401 | -329,029 | -455,411 | -3,619,319 | -6,251,551 | -68,767,061 |
Here are some more numbers to try:
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