A:
Positive:
1 x 12730058913 x 979235319 x 6700031247 x 515387293 x 4344731759 x 723713809 x 334215567 x 22867
Negative:
-1 x -127300589-13 x -9792353-19 x -6700031-247 x -515387-293 x -434473-1759 x -72371-3809 x -33421-5567 x -22867
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 127,300,589, 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 | 127,300,589 | |
| -1 | -127,300,589 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 127,300,589.
Example:
1 x 127,300,589 = 127,300,589
and
-1 x -127,300,589 = 127,300,589
Notice both answers equal 127,300,589
With that explanation out of the way, let's continue. Next, we take the number 127,300,589 and divide it by 2:
127,300,589 ÷ 2 = 63,650,294.5
If the quotient is a whole number, then 2 and 63,650,294.5 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 | 127,300,589 | |
| -1 | -127,300,589 |
Now, we try dividing 127,300,589 by 3:
127,300,589 ÷ 3 = 42,433,529.6667
If the quotient is a whole number, then 3 and 42,433,529.6667 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 | 127,300,589 | |
| -1 | -127,300,589 |
Let's try dividing by 4:
127,300,589 ÷ 4 = 31,825,147.25
If the quotient is a whole number, then 4 and 31,825,147.25 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 | 127,300,589 | |
| -1 | 127,300,589 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 247 | 293 | 1,759 | 3,809 | 5,567 | 22,867 | 33,421 | 72,371 | 434,473 | 515,387 | 6,700,031 | 9,792,353 | 127,300,589 |
| -1 | -13 | -19 | -247 | -293 | -1,759 | -3,809 | -5,567 | -22,867 | -33,421 | -72,371 | -434,473 | -515,387 | -6,700,031 | -9,792,353 | -127,300,589 |
Here are some more numbers to try:
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