A:
Positive:
1 x 260286555 x 5205731109 x 238795163 x 159685293 x 88835545 x 47759815 x 319371465 x 17767
Negative:
-1 x -26028655-5 x -5205731-109 x -238795-163 x -159685-293 x -88835-545 x -47759-815 x -31937-1465 x -17767
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 26,028,655, 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 | 26,028,655 | |
| -1 | -26,028,655 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,028,655.
Example:
1 x 26,028,655 = 26,028,655
and
-1 x -26,028,655 = 26,028,655
Notice both answers equal 26,028,655
With that explanation out of the way, let's continue. Next, we take the number 26,028,655 and divide it by 2:
26,028,655 ÷ 2 = 13,014,327.5
If the quotient is a whole number, then 2 and 13,014,327.5 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 | 26,028,655 | |
| -1 | -26,028,655 |
Now, we try dividing 26,028,655 by 3:
26,028,655 ÷ 3 = 8,676,218.3333
If the quotient is a whole number, then 3 and 8,676,218.3333 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 | 26,028,655 | |
| -1 | -26,028,655 |
Let's try dividing by 4:
26,028,655 ÷ 4 = 6,507,163.75
If the quotient is a whole number, then 4 and 6,507,163.75 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 | 26,028,655 | |
| -1 | 26,028,655 |
If you did it right, you will end up with this table:
| 1 | 5 | 109 | 163 | 293 | 545 | 815 | 1,465 | 17,767 | 31,937 | 47,759 | 88,835 | 159,685 | 238,795 | 5,205,731 | 26,028,655 |
| -1 | -5 | -109 | -163 | -293 | -545 | -815 | -1,465 | -17,767 | -31,937 | -47,759 | -88,835 | -159,685 | -238,795 | -5,205,731 | -26,028,655 |
Here are some more numbers to try:
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