A:
Positive:
1 x 3155246755 x 6310493517 x 1856027525 x 1262098785 x 3712055337 x 936275425 x 7424111685 x 1872552203 x 1432255729 x 550758425 x 3745111015 x 28645
Negative:
-1 x -315524675-5 x -63104935-17 x -18560275-25 x -12620987-85 x -3712055-337 x -936275-425 x -742411-1685 x -187255-2203 x -143225-5729 x -55075-8425 x -37451-11015 x -28645
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 315,524,675, 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 | 315,524,675 | |
| -1 | -315,524,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 315,524,675.
Example:
1 x 315,524,675 = 315,524,675
and
-1 x -315,524,675 = 315,524,675
Notice both answers equal 315,524,675
With that explanation out of the way, let's continue. Next, we take the number 315,524,675 and divide it by 2:
315,524,675 ÷ 2 = 157,762,337.5
If the quotient is a whole number, then 2 and 157,762,337.5 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 | 315,524,675 | |
| -1 | -315,524,675 |
Now, we try dividing 315,524,675 by 3:
315,524,675 ÷ 3 = 105,174,891.6667
If the quotient is a whole number, then 3 and 105,174,891.6667 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 | 315,524,675 | |
| -1 | -315,524,675 |
Let's try dividing by 4:
315,524,675 ÷ 4 = 78,881,168.75
If the quotient is a whole number, then 4 and 78,881,168.75 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 | 315,524,675 | |
| -1 | 315,524,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 25 | 85 | 337 | 425 | 1,685 | 2,203 | 5,729 | 8,425 | 11,015 | 28,645 | 37,451 | 55,075 | 143,225 | 187,255 | 742,411 | 936,275 | 3,712,055 | 12,620,987 | 18,560,275 | 63,104,935 | 315,524,675 |
| -1 | -5 | -17 | -25 | -85 | -337 | -425 | -1,685 | -2,203 | -5,729 | -8,425 | -11,015 | -28,645 | -37,451 | -55,075 | -143,225 | -187,255 | -742,411 | -936,275 | -3,712,055 | -12,620,987 | -18,560,275 | -63,104,935 | -315,524,675 |
Here are some more numbers to try:
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