A:
Positive:
1 x 1377534055 x 2755068137 x 3723065107 x 1287415185 x 744613535 x 2574833959 x 347956959 x 19795
Negative:
-1 x -137753405-5 x -27550681-37 x -3723065-107 x -1287415-185 x -744613-535 x -257483-3959 x -34795-6959 x -19795
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 137,753,405, 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 | 137,753,405 | |
| -1 | -137,753,405 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 137,753,405.
Example:
1 x 137,753,405 = 137,753,405
and
-1 x -137,753,405 = 137,753,405
Notice both answers equal 137,753,405
With that explanation out of the way, let's continue. Next, we take the number 137,753,405 and divide it by 2:
137,753,405 ÷ 2 = 68,876,702.5
If the quotient is a whole number, then 2 and 68,876,702.5 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 | 137,753,405 | |
| -1 | -137,753,405 |
Now, we try dividing 137,753,405 by 3:
137,753,405 ÷ 3 = 45,917,801.6667
If the quotient is a whole number, then 3 and 45,917,801.6667 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 | 137,753,405 | |
| -1 | -137,753,405 |
Let's try dividing by 4:
137,753,405 ÷ 4 = 34,438,351.25
If the quotient is a whole number, then 4 and 34,438,351.25 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 | 137,753,405 | |
| -1 | 137,753,405 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 107 | 185 | 535 | 3,959 | 6,959 | 19,795 | 34,795 | 257,483 | 744,613 | 1,287,415 | 3,723,065 | 27,550,681 | 137,753,405 |
| -1 | -5 | -37 | -107 | -185 | -535 | -3,959 | -6,959 | -19,795 | -34,795 | -257,483 | -744,613 | -1,287,415 | -3,723,065 | -27,550,681 | -137,753,405 |
Here are some more numbers to try:
Try the factor calculator