A:
Positive:
1 x 268955155 x 537910347 x 572245193 x 139355235 x 114449593 x 45355965 x 278712965 x 9071
Negative:
-1 x -26895515-5 x -5379103-47 x -572245-193 x -139355-235 x -114449-593 x -45355-965 x -27871-2965 x -9071
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 26,895,515, 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 | 26,895,515 | |
| -1 | -26,895,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,895,515.
Example:
1 x 26,895,515 = 26,895,515
and
-1 x -26,895,515 = 26,895,515
Notice both answers equal 26,895,515
With that explanation out of the way, let's continue. Next, we take the number 26,895,515 and divide it by 2:
26,895,515 ÷ 2 = 13,447,757.5
If the quotient is a whole number, then 2 and 13,447,757.5 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 | 26,895,515 | |
| -1 | -26,895,515 |
Now, we try dividing 26,895,515 by 3:
26,895,515 ÷ 3 = 8,965,171.6667
If the quotient is a whole number, then 3 and 8,965,171.6667 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 | 26,895,515 | |
| -1 | -26,895,515 |
Let's try dividing by 4:
26,895,515 ÷ 4 = 6,723,878.75
If the quotient is a whole number, then 4 and 6,723,878.75 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 | 26,895,515 | |
| -1 | 26,895,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 47 | 193 | 235 | 593 | 965 | 2,965 | 9,071 | 27,871 | 45,355 | 114,449 | 139,355 | 572,245 | 5,379,103 | 26,895,515 |
| -1 | -5 | -47 | -193 | -235 | -593 | -965 | -2,965 | -9,071 | -27,871 | -45,355 | -114,449 | -139,355 | -572,245 | -5,379,103 | -26,895,515 |
Here are some more numbers to try:
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