A:
Positive:
1 x 41114323913 x 3162640323 x 1787579383 x 4953533299 x 13750611079 x 3810411909 x 21537116567 x 24817
Negative:
-1 x -411143239-13 x -31626403-23 x -17875793-83 x -4953533-299 x -1375061-1079 x -381041-1909 x -215371-16567 x -24817
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 411,143,239, 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 | 411,143,239 | |
| -1 | -411,143,239 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 411,143,239.
Example:
1 x 411,143,239 = 411,143,239
and
-1 x -411,143,239 = 411,143,239
Notice both answers equal 411,143,239
With that explanation out of the way, let's continue. Next, we take the number 411,143,239 and divide it by 2:
411,143,239 ÷ 2 = 205,571,619.5
If the quotient is a whole number, then 2 and 205,571,619.5 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 | 411,143,239 | |
| -1 | -411,143,239 |
Now, we try dividing 411,143,239 by 3:
411,143,239 ÷ 3 = 137,047,746.3333
If the quotient is a whole number, then 3 and 137,047,746.3333 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 | 411,143,239 | |
| -1 | -411,143,239 |
Let's try dividing by 4:
411,143,239 ÷ 4 = 102,785,809.75
If the quotient is a whole number, then 4 and 102,785,809.75 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 | 411,143,239 | |
| -1 | 411,143,239 |
If you did it right, you will end up with this table:
| 1 | 13 | 23 | 83 | 299 | 1,079 | 1,909 | 16,567 | 24,817 | 215,371 | 381,041 | 1,375,061 | 4,953,533 | 17,875,793 | 31,626,403 | 411,143,239 |
| -1 | -13 | -23 | -83 | -299 | -1,079 | -1,909 | -16,567 | -24,817 | -215,371 | -381,041 | -1,375,061 | -4,953,533 | -17,875,793 | -31,626,403 | -411,143,239 |
Here are some more numbers to try:
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