A:
Positive:
1 x 313365255 x 626730511 x 284877517 x 184332525 x 125346155 x 56975585 x 368665187 x 167575275 x 113951425 x 73733935 x 335154675 x 6703
Negative:
-1 x -31336525-5 x -6267305-11 x -2848775-17 x -1843325-25 x -1253461-55 x -569755-85 x -368665-187 x -167575-275 x -113951-425 x -73733-935 x -33515-4675 x -6703
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 31,336,525, 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 | 31,336,525 | |
| -1 | -31,336,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,336,525.
Example:
1 x 31,336,525 = 31,336,525
and
-1 x -31,336,525 = 31,336,525
Notice both answers equal 31,336,525
With that explanation out of the way, let's continue. Next, we take the number 31,336,525 and divide it by 2:
31,336,525 ÷ 2 = 15,668,262.5
If the quotient is a whole number, then 2 and 15,668,262.5 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 | 31,336,525 | |
| -1 | -31,336,525 |
Now, we try dividing 31,336,525 by 3:
31,336,525 ÷ 3 = 10,445,508.3333
If the quotient is a whole number, then 3 and 10,445,508.3333 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 | 31,336,525 | |
| -1 | -31,336,525 |
Let's try dividing by 4:
31,336,525 ÷ 4 = 7,834,131.25
If the quotient is a whole number, then 4 and 7,834,131.25 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 | 31,336,525 | |
| -1 | 31,336,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 17 | 25 | 55 | 85 | 187 | 275 | 425 | 935 | 4,675 | 6,703 | 33,515 | 73,733 | 113,951 | 167,575 | 368,665 | 569,755 | 1,253,461 | 1,843,325 | 2,848,775 | 6,267,305 | 31,336,525 |
| -1 | -5 | -11 | -17 | -25 | -55 | -85 | -187 | -275 | -425 | -935 | -4,675 | -6,703 | -33,515 | -73,733 | -113,951 | -167,575 | -368,665 | -569,755 | -1,253,461 | -1,843,325 | -2,848,775 | -6,267,305 | -31,336,525 |
Here are some more numbers to try:
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