A:
Positive:
1 x 266327817 x 380468323 x 115794743 x 619367161 x 165421301 x 88481989 x 269293847 x 6923
Negative:
-1 x -26632781-7 x -3804683-23 x -1157947-43 x -619367-161 x -165421-301 x -88481-989 x -26929-3847 x -6923
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 26,632,781, 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 | 26,632,781 | |
| -1 | -26,632,781 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,632,781.
Example:
1 x 26,632,781 = 26,632,781
and
-1 x -26,632,781 = 26,632,781
Notice both answers equal 26,632,781
With that explanation out of the way, let's continue. Next, we take the number 26,632,781 and divide it by 2:
26,632,781 ÷ 2 = 13,316,390.5
If the quotient is a whole number, then 2 and 13,316,390.5 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 | 26,632,781 | |
| -1 | -26,632,781 |
Now, we try dividing 26,632,781 by 3:
26,632,781 ÷ 3 = 8,877,593.6667
If the quotient is a whole number, then 3 and 8,877,593.6667 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 | 26,632,781 | |
| -1 | -26,632,781 |
Let's try dividing by 4:
26,632,781 ÷ 4 = 6,658,195.25
If the quotient is a whole number, then 4 and 6,658,195.25 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 | 26,632,781 | |
| -1 | 26,632,781 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 43 | 161 | 301 | 989 | 3,847 | 6,923 | 26,929 | 88,481 | 165,421 | 619,367 | 1,157,947 | 3,804,683 | 26,632,781 |
| -1 | -7 | -23 | -43 | -161 | -301 | -989 | -3,847 | -6,923 | -26,929 | -88,481 | -165,421 | -619,367 | -1,157,947 | -3,804,683 | -26,632,781 |
Here are some more numbers to try:
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