A:
Positive:
1 x 3141354711 x 285577759 x 53243397 x 323851499 x 62953649 x 484031067 x 294415489 x 5723
Negative:
-1 x -31413547-11 x -2855777-59 x -532433-97 x -323851-499 x -62953-649 x -48403-1067 x -29441-5489 x -5723
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 31,413,547, 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 | 31,413,547 | |
| -1 | -31,413,547 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,413,547.
Example:
1 x 31,413,547 = 31,413,547
and
-1 x -31,413,547 = 31,413,547
Notice both answers equal 31,413,547
With that explanation out of the way, let's continue. Next, we take the number 31,413,547 and divide it by 2:
31,413,547 ÷ 2 = 15,706,773.5
If the quotient is a whole number, then 2 and 15,706,773.5 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 | 31,413,547 | |
| -1 | -31,413,547 |
Now, we try dividing 31,413,547 by 3:
31,413,547 ÷ 3 = 10,471,182.3333
If the quotient is a whole number, then 3 and 10,471,182.3333 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 | 31,413,547 | |
| -1 | -31,413,547 |
Let's try dividing by 4:
31,413,547 ÷ 4 = 7,853,386.75
If the quotient is a whole number, then 4 and 7,853,386.75 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 | 31,413,547 | |
| -1 | 31,413,547 |
If you did it right, you will end up with this table:
| 1 | 11 | 59 | 97 | 499 | 649 | 1,067 | 5,489 | 5,723 | 29,441 | 48,403 | 62,953 | 323,851 | 532,433 | 2,855,777 | 31,413,547 |
| -1 | -11 | -59 | -97 | -499 | -649 | -1,067 | -5,489 | -5,723 | -29,441 | -48,403 | -62,953 | -323,851 | -532,433 | -2,855,777 | -31,413,547 |
Here are some more numbers to try:
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