A:
Positive:
1 x 2667180113 x 205167719 x 140377983 x 321347247 x 1079831079 x 247191301 x 205011577 x 16913
Negative:
-1 x -26671801-13 x -2051677-19 x -1403779-83 x -321347-247 x -107983-1079 x -24719-1301 x -20501-1577 x -16913
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 26,671,801, 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 | 26,671,801 | |
| -1 | -26,671,801 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,671,801.
Example:
1 x 26,671,801 = 26,671,801
and
-1 x -26,671,801 = 26,671,801
Notice both answers equal 26,671,801
With that explanation out of the way, let's continue. Next, we take the number 26,671,801 and divide it by 2:
26,671,801 ÷ 2 = 13,335,900.5
If the quotient is a whole number, then 2 and 13,335,900.5 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 | 26,671,801 | |
| -1 | -26,671,801 |
Now, we try dividing 26,671,801 by 3:
26,671,801 ÷ 3 = 8,890,600.3333
If the quotient is a whole number, then 3 and 8,890,600.3333 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 | 26,671,801 | |
| -1 | -26,671,801 |
Let's try dividing by 4:
26,671,801 ÷ 4 = 6,667,950.25
If the quotient is a whole number, then 4 and 6,667,950.25 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 | 26,671,801 | |
| -1 | 26,671,801 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 83 | 247 | 1,079 | 1,301 | 1,577 | 16,913 | 20,501 | 24,719 | 107,983 | 321,347 | 1,403,779 | 2,051,677 | 26,671,801 |
| -1 | -13 | -19 | -83 | -247 | -1,079 | -1,301 | -1,577 | -16,913 | -20,501 | -24,719 | -107,983 | -321,347 | -1,403,779 | -2,051,677 | -26,671,801 |
Here are some more numbers to try:
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