A:
Positive:
1 x 2622217555 x 5244435119 x 1380114595 x 2760229101 x 2596255505 x 5192511919 x 1366459595 x 27329
Negative:
-1 x -262221755-5 x -52444351-19 x -13801145-95 x -2760229-101 x -2596255-505 x -519251-1919 x -136645-9595 x -27329
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 262,221,755, 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 | 262,221,755 | |
| -1 | -262,221,755 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 262,221,755.
Example:
1 x 262,221,755 = 262,221,755
and
-1 x -262,221,755 = 262,221,755
Notice both answers equal 262,221,755
With that explanation out of the way, let's continue. Next, we take the number 262,221,755 and divide it by 2:
262,221,755 ÷ 2 = 131,110,877.5
If the quotient is a whole number, then 2 and 131,110,877.5 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 | 262,221,755 | |
| -1 | -262,221,755 |
Now, we try dividing 262,221,755 by 3:
262,221,755 ÷ 3 = 87,407,251.6667
If the quotient is a whole number, then 3 and 87,407,251.6667 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 | 262,221,755 | |
| -1 | -262,221,755 |
Let's try dividing by 4:
262,221,755 ÷ 4 = 65,555,438.75
If the quotient is a whole number, then 4 and 65,555,438.75 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 | 262,221,755 | |
| -1 | 262,221,755 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 101 | 505 | 1,919 | 9,595 | 27,329 | 136,645 | 519,251 | 2,596,255 | 2,760,229 | 13,801,145 | 52,444,351 | 262,221,755 |
| -1 | -5 | -19 | -95 | -101 | -505 | -1,919 | -9,595 | -27,329 | -136,645 | -519,251 | -2,596,255 | -2,760,229 | -13,801,145 | -52,444,351 | -262,221,755 |
Here are some more numbers to try:
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