A:
Positive:
1 x 2655152717 x 3793075329 x 915569949 x 5418679203 x 1307957343 x 7740971421 x 1868519947 x 26693
Negative:
-1 x -265515271-7 x -37930753-29 x -9155699-49 x -5418679-203 x -1307957-343 x -774097-1421 x -186851-9947 x -26693
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 265,515,271, 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 | 265,515,271 | |
| -1 | -265,515,271 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 265,515,271.
Example:
1 x 265,515,271 = 265,515,271
and
-1 x -265,515,271 = 265,515,271
Notice both answers equal 265,515,271
With that explanation out of the way, let's continue. Next, we take the number 265,515,271 and divide it by 2:
265,515,271 ÷ 2 = 132,757,635.5
If the quotient is a whole number, then 2 and 132,757,635.5 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 | 265,515,271 | |
| -1 | -265,515,271 |
Now, we try dividing 265,515,271 by 3:
265,515,271 ÷ 3 = 88,505,090.3333
If the quotient is a whole number, then 3 and 88,505,090.3333 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 | 265,515,271 | |
| -1 | -265,515,271 |
Let's try dividing by 4:
265,515,271 ÷ 4 = 66,378,817.75
If the quotient is a whole number, then 4 and 66,378,817.75 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 | 265,515,271 | |
| -1 | 265,515,271 |
If you did it right, you will end up with this table:
| 1 | 7 | 29 | 49 | 203 | 343 | 1,421 | 9,947 | 26,693 | 186,851 | 774,097 | 1,307,957 | 5,418,679 | 9,155,699 | 37,930,753 | 265,515,271 |
| -1 | -7 | -29 | -49 | -203 | -343 | -1,421 | -9,947 | -26,693 | -186,851 | -774,097 | -1,307,957 | -5,418,679 | -9,155,699 | -37,930,753 | -265,515,271 |
Here are some more numbers to try:
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