A:
Positive:
1 x 267186717 x 381695349 x 54527961 x 438011343 x 77897427 x 625731277 x 209232989 x 8939
Negative:
-1 x -26718671-7 x -3816953-49 x -545279-61 x -438011-343 x -77897-427 x -62573-1277 x -20923-2989 x -8939
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 26,718,671, 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 | 26,718,671 | |
| -1 | -26,718,671 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,718,671.
Example:
1 x 26,718,671 = 26,718,671
and
-1 x -26,718,671 = 26,718,671
Notice both answers equal 26,718,671
With that explanation out of the way, let's continue. Next, we take the number 26,718,671 and divide it by 2:
26,718,671 ÷ 2 = 13,359,335.5
If the quotient is a whole number, then 2 and 13,359,335.5 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 | 26,718,671 | |
| -1 | -26,718,671 |
Now, we try dividing 26,718,671 by 3:
26,718,671 ÷ 3 = 8,906,223.6667
If the quotient is a whole number, then 3 and 8,906,223.6667 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 | 26,718,671 | |
| -1 | -26,718,671 |
Let's try dividing by 4:
26,718,671 ÷ 4 = 6,679,667.75
If the quotient is a whole number, then 4 and 6,679,667.75 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 | 26,718,671 | |
| -1 | 26,718,671 |
If you did it right, you will end up with this table:
| 1 | 7 | 49 | 61 | 343 | 427 | 1,277 | 2,989 | 8,939 | 20,923 | 62,573 | 77,897 | 438,011 | 545,279 | 3,816,953 | 26,718,671 |
| -1 | -7 | -49 | -61 | -343 | -427 | -1,277 | -2,989 | -8,939 | -20,923 | -62,573 | -77,897 | -438,011 | -545,279 | -3,816,953 | -26,718,671 |
Here are some more numbers to try:
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