A:
Positive:
1 x 317602455 x 635204911 x 288729537 x 85838555 x 577459185 x 171677407 x 780352035 x 15607
Negative:
-1 x -31760245-5 x -6352049-11 x -2887295-37 x -858385-55 x -577459-185 x -171677-407 x -78035-2035 x -15607
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 31,760,245, 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 | 31,760,245 | |
| -1 | -31,760,245 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,760,245.
Example:
1 x 31,760,245 = 31,760,245
and
-1 x -31,760,245 = 31,760,245
Notice both answers equal 31,760,245
With that explanation out of the way, let's continue. Next, we take the number 31,760,245 and divide it by 2:
31,760,245 ÷ 2 = 15,880,122.5
If the quotient is a whole number, then 2 and 15,880,122.5 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 | 31,760,245 | |
| -1 | -31,760,245 |
Now, we try dividing 31,760,245 by 3:
31,760,245 ÷ 3 = 10,586,748.3333
If the quotient is a whole number, then 3 and 10,586,748.3333 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 | 31,760,245 | |
| -1 | -31,760,245 |
Let's try dividing by 4:
31,760,245 ÷ 4 = 7,940,061.25
If the quotient is a whole number, then 4 and 7,940,061.25 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 | 31,760,245 | |
| -1 | 31,760,245 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 37 | 55 | 185 | 407 | 2,035 | 15,607 | 78,035 | 171,677 | 577,459 | 858,385 | 2,887,295 | 6,352,049 | 31,760,245 |
| -1 | -5 | -11 | -37 | -55 | -185 | -407 | -2,035 | -15,607 | -78,035 | -171,677 | -577,459 | -858,385 | -2,887,295 | -6,352,049 | -31,760,245 |
Here are some more numbers to try:
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