A:
Positive:
1 x 5544068917 x 326121719 x 291793137 x 1498397323 x 171643629 x 88141703 x 788634639 x 11951
Negative:
-1 x -55440689-17 x -3261217-19 x -2917931-37 x -1498397-323 x -171643-629 x -88141-703 x -78863-4639 x -11951
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 55,440,689, 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 | 55,440,689 | |
| -1 | -55,440,689 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 55,440,689.
Example:
1 x 55,440,689 = 55,440,689
and
-1 x -55,440,689 = 55,440,689
Notice both answers equal 55,440,689
With that explanation out of the way, let's continue. Next, we take the number 55,440,689 and divide it by 2:
55,440,689 ÷ 2 = 27,720,344.5
If the quotient is a whole number, then 2 and 27,720,344.5 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 | 55,440,689 | |
| -1 | -55,440,689 |
Now, we try dividing 55,440,689 by 3:
55,440,689 ÷ 3 = 18,480,229.6667
If the quotient is a whole number, then 3 and 18,480,229.6667 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 | 55,440,689 | |
| -1 | -55,440,689 |
Let's try dividing by 4:
55,440,689 ÷ 4 = 13,860,172.25
If the quotient is a whole number, then 4 and 13,860,172.25 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 | 55,440,689 | |
| -1 | 55,440,689 |
If you did it right, you will end up with this table:
| 1 | 17 | 19 | 37 | 323 | 629 | 703 | 4,639 | 11,951 | 78,863 | 88,141 | 171,643 | 1,498,397 | 2,917,931 | 3,261,217 | 55,440,689 |
| -1 | -17 | -19 | -37 | -323 | -629 | -703 | -4,639 | -11,951 | -78,863 | -88,141 | -171,643 | -1,498,397 | -2,917,931 | -3,261,217 | -55,440,689 |
Here are some more numbers to try:
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