A:
Positive:
1 x 3102470755 x 6204941525 x 1240988329 x 1069817559 x 5258425145 x 2139635295 x 1051685725 x 4279271475 x 2103371711 x 1813257253 x 427758555 x 36265
Negative:
-1 x -310247075-5 x -62049415-25 x -12409883-29 x -10698175-59 x -5258425-145 x -2139635-295 x -1051685-725 x -427927-1475 x -210337-1711 x -181325-7253 x -42775-8555 x -36265
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 310,247,075, 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 | 310,247,075 | |
| -1 | -310,247,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 310,247,075.
Example:
1 x 310,247,075 = 310,247,075
and
-1 x -310,247,075 = 310,247,075
Notice both answers equal 310,247,075
With that explanation out of the way, let's continue. Next, we take the number 310,247,075 and divide it by 2:
310,247,075 ÷ 2 = 155,123,537.5
If the quotient is a whole number, then 2 and 155,123,537.5 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 | 310,247,075 | |
| -1 | -310,247,075 |
Now, we try dividing 310,247,075 by 3:
310,247,075 ÷ 3 = 103,415,691.6667
If the quotient is a whole number, then 3 and 103,415,691.6667 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 | 310,247,075 | |
| -1 | -310,247,075 |
Let's try dividing by 4:
310,247,075 ÷ 4 = 77,561,768.75
If the quotient is a whole number, then 4 and 77,561,768.75 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 | 310,247,075 | |
| -1 | 310,247,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 59 | 145 | 295 | 725 | 1,475 | 1,711 | 7,253 | 8,555 | 36,265 | 42,775 | 181,325 | 210,337 | 427,927 | 1,051,685 | 2,139,635 | 5,258,425 | 10,698,175 | 12,409,883 | 62,049,415 | 310,247,075 |
| -1 | -5 | -25 | -29 | -59 | -145 | -295 | -725 | -1,475 | -1,711 | -7,253 | -8,555 | -36,265 | -42,775 | -181,325 | -210,337 | -427,927 | -1,051,685 | -2,139,635 | -5,258,425 | -10,698,175 | -12,409,883 | -62,049,415 | -310,247,075 |
Here are some more numbers to try:
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