A:
Positive:
1 x 2623121277 x 3747316111 x 2384655771 x 369453777 x 3406651497 x 527791781 x 3358675467 x 47981
Negative:
-1 x -262312127-7 x -37473161-11 x -23846557-71 x -3694537-77 x -3406651-497 x -527791-781 x -335867-5467 x -47981
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 262,312,127, 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 | 262,312,127 | |
| -1 | -262,312,127 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 262,312,127.
Example:
1 x 262,312,127 = 262,312,127
and
-1 x -262,312,127 = 262,312,127
Notice both answers equal 262,312,127
With that explanation out of the way, let's continue. Next, we take the number 262,312,127 and divide it by 2:
262,312,127 ÷ 2 = 131,156,063.5
If the quotient is a whole number, then 2 and 131,156,063.5 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 | 262,312,127 | |
| -1 | -262,312,127 |
Now, we try dividing 262,312,127 by 3:
262,312,127 ÷ 3 = 87,437,375.6667
If the quotient is a whole number, then 3 and 87,437,375.6667 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 | 262,312,127 | |
| -1 | -262,312,127 |
Let's try dividing by 4:
262,312,127 ÷ 4 = 65,578,031.75
If the quotient is a whole number, then 4 and 65,578,031.75 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 | 262,312,127 | |
| -1 | 262,312,127 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 71 | 77 | 497 | 781 | 5,467 | 47,981 | 335,867 | 527,791 | 3,406,651 | 3,694,537 | 23,846,557 | 37,473,161 | 262,312,127 |
| -1 | -7 | -11 | -71 | -77 | -497 | -781 | -5,467 | -47,981 | -335,867 | -527,791 | -3,406,651 | -3,694,537 | -23,846,557 | -37,473,161 | -262,312,127 |
Here are some more numbers to try:
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