A:
Positive:
1 x 317265655 x 634531313 x 244050565 x 488101479 x 662351019 x 311352395 x 132475095 x 6227
Negative:
-1 x -31726565-5 x -6345313-13 x -2440505-65 x -488101-479 x -66235-1019 x -31135-2395 x -13247-5095 x -6227
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 31,726,565, 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 | 31,726,565 | |
| -1 | -31,726,565 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,726,565.
Example:
1 x 31,726,565 = 31,726,565
and
-1 x -31,726,565 = 31,726,565
Notice both answers equal 31,726,565
With that explanation out of the way, let's continue. Next, we take the number 31,726,565 and divide it by 2:
31,726,565 ÷ 2 = 15,863,282.5
If the quotient is a whole number, then 2 and 15,863,282.5 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 | 31,726,565 | |
| -1 | -31,726,565 |
Now, we try dividing 31,726,565 by 3:
31,726,565 ÷ 3 = 10,575,521.6667
If the quotient is a whole number, then 3 and 10,575,521.6667 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 | 31,726,565 | |
| -1 | -31,726,565 |
Let's try dividing by 4:
31,726,565 ÷ 4 = 7,931,641.25
If the quotient is a whole number, then 4 and 7,931,641.25 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 | 31,726,565 | |
| -1 | 31,726,565 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 479 | 1,019 | 2,395 | 5,095 | 6,227 | 13,247 | 31,135 | 66,235 | 488,101 | 2,440,505 | 6,345,313 | 31,726,565 |
| -1 | -5 | -13 | -65 | -479 | -1,019 | -2,395 | -5,095 | -6,227 | -13,247 | -31,135 | -66,235 | -488,101 | -2,440,505 | -6,345,313 | -31,726,565 |
Here are some more numbers to try:
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