A:
Positive:
1 x 6108061713 x 469850923 x 265567967 x 911651299 x 204283871 x 701271541 x 396373049 x 20033
Negative:
-1 x -61080617-13 x -4698509-23 x -2655679-67 x -911651-299 x -204283-871 x -70127-1541 x -39637-3049 x -20033
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 61,080,617, 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 | 61,080,617 | |
| -1 | -61,080,617 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 61,080,617.
Example:
1 x 61,080,617 = 61,080,617
and
-1 x -61,080,617 = 61,080,617
Notice both answers equal 61,080,617
With that explanation out of the way, let's continue. Next, we take the number 61,080,617 and divide it by 2:
61,080,617 ÷ 2 = 30,540,308.5
If the quotient is a whole number, then 2 and 30,540,308.5 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 | 61,080,617 | |
| -1 | -61,080,617 |
Now, we try dividing 61,080,617 by 3:
61,080,617 ÷ 3 = 20,360,205.6667
If the quotient is a whole number, then 3 and 20,360,205.6667 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 | 61,080,617 | |
| -1 | -61,080,617 |
Let's try dividing by 4:
61,080,617 ÷ 4 = 15,270,154.25
If the quotient is a whole number, then 4 and 15,270,154.25 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 | 61,080,617 | |
| -1 | 61,080,617 |
If you did it right, you will end up with this table:
| 1 | 13 | 23 | 67 | 299 | 871 | 1,541 | 3,049 | 20,033 | 39,637 | 70,127 | 204,283 | 911,651 | 2,655,679 | 4,698,509 | 61,080,617 |
| -1 | -13 | -23 | -67 | -299 | -871 | -1,541 | -3,049 | -20,033 | -39,637 | -70,127 | -204,283 | -911,651 | -2,655,679 | -4,698,509 | -61,080,617 |
Here are some more numbers to try:
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