A:
Positive:
1 x 638542311 x 58049329 x 22018737 x 172579319 x 20017407 x 15689541 x 118031073 x 5951
Negative:
-1 x -6385423-11 x -580493-29 x -220187-37 x -172579-319 x -20017-407 x -15689-541 x -11803-1073 x -5951
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 6,385,423, 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 | 6,385,423 | |
| -1 | -6,385,423 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 6,385,423.
Example:
1 x 6,385,423 = 6,385,423
and
-1 x -6,385,423 = 6,385,423
Notice both answers equal 6,385,423
With that explanation out of the way, let's continue. Next, we take the number 6,385,423 and divide it by 2:
6,385,423 ÷ 2 = 3,192,711.5
If the quotient is a whole number, then 2 and 3,192,711.5 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 | 6,385,423 | |
| -1 | -6,385,423 |
Now, we try dividing 6,385,423 by 3:
6,385,423 ÷ 3 = 2,128,474.3333
If the quotient is a whole number, then 3 and 2,128,474.3333 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 | 6,385,423 | |
| -1 | -6,385,423 |
Let's try dividing by 4:
6,385,423 ÷ 4 = 1,596,355.75
If the quotient is a whole number, then 4 and 1,596,355.75 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 | 6,385,423 | |
| -1 | 6,385,423 |
If you did it right, you will end up with this table:
| 1 | 11 | 29 | 37 | 319 | 407 | 541 | 1,073 | 5,951 | 11,803 | 15,689 | 20,017 | 172,579 | 220,187 | 580,493 | 6,385,423 |
| -1 | -11 | -29 | -37 | -319 | -407 | -541 | -1,073 | -5,951 | -11,803 | -15,689 | -20,017 | -172,579 | -220,187 | -580,493 | -6,385,423 |
Here are some more numbers to try:
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