A:
Positive:
1 x 317671755 x 635343511 x 288792525 x 127068755 x 57758571 x 447425275 x 115517355 x 89485781 x 406751627 x 195251775 x 178973905 x 8135
Negative:
-1 x -31767175-5 x -6353435-11 x -2887925-25 x -1270687-55 x -577585-71 x -447425-275 x -115517-355 x -89485-781 x -40675-1627 x -19525-1775 x -17897-3905 x -8135
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 31,767,175, 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 | 31,767,175 | |
| -1 | -31,767,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,767,175.
Example:
1 x 31,767,175 = 31,767,175
and
-1 x -31,767,175 = 31,767,175
Notice both answers equal 31,767,175
With that explanation out of the way, let's continue. Next, we take the number 31,767,175 and divide it by 2:
31,767,175 ÷ 2 = 15,883,587.5
If the quotient is a whole number, then 2 and 15,883,587.5 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 | 31,767,175 | |
| -1 | -31,767,175 |
Now, we try dividing 31,767,175 by 3:
31,767,175 ÷ 3 = 10,589,058.3333
If the quotient is a whole number, then 3 and 10,589,058.3333 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 | 31,767,175 | |
| -1 | -31,767,175 |
Let's try dividing by 4:
31,767,175 ÷ 4 = 7,941,793.75
If the quotient is a whole number, then 4 and 7,941,793.75 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 | 31,767,175 | |
| -1 | 31,767,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 55 | 71 | 275 | 355 | 781 | 1,627 | 1,775 | 3,905 | 8,135 | 17,897 | 19,525 | 40,675 | 89,485 | 115,517 | 447,425 | 577,585 | 1,270,687 | 2,887,925 | 6,353,435 | 31,767,175 |
| -1 | -5 | -11 | -25 | -55 | -71 | -275 | -355 | -781 | -1,627 | -1,775 | -3,905 | -8,135 | -17,897 | -19,525 | -40,675 | -89,485 | -115,517 | -447,425 | -577,585 | -1,270,687 | -2,887,925 | -6,353,435 | -31,767,175 |
Here are some more numbers to try:
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