A:
Positive:
1 x 260531055 x 521062113 x 200408565 x 400817163 x 159835815 x 319672119 x 122952459 x 10595
Negative:
-1 x -26053105-5 x -5210621-13 x -2004085-65 x -400817-163 x -159835-815 x -31967-2119 x -12295-2459 x -10595
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 26,053,105, 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 | 26,053,105 | |
| -1 | -26,053,105 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,053,105.
Example:
1 x 26,053,105 = 26,053,105
and
-1 x -26,053,105 = 26,053,105
Notice both answers equal 26,053,105
With that explanation out of the way, let's continue. Next, we take the number 26,053,105 and divide it by 2:
26,053,105 ÷ 2 = 13,026,552.5
If the quotient is a whole number, then 2 and 13,026,552.5 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 | 26,053,105 | |
| -1 | -26,053,105 |
Now, we try dividing 26,053,105 by 3:
26,053,105 ÷ 3 = 8,684,368.3333
If the quotient is a whole number, then 3 and 8,684,368.3333 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 | 26,053,105 | |
| -1 | -26,053,105 |
Let's try dividing by 4:
26,053,105 ÷ 4 = 6,513,276.25
If the quotient is a whole number, then 4 and 6,513,276.25 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 | 26,053,105 | |
| -1 | 26,053,105 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 163 | 815 | 2,119 | 2,459 | 10,595 | 12,295 | 31,967 | 159,835 | 400,817 | 2,004,085 | 5,210,621 | 26,053,105 |
| -1 | -5 | -13 | -65 | -163 | -815 | -2,119 | -2,459 | -10,595 | -12,295 | -31,967 | -159,835 | -400,817 | -2,004,085 | -5,210,621 | -26,053,105 |
Here are some more numbers to try:
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