A:
Positive:
1 x 24799397 x 35427711 x 22544943 x 5767349 x 5061177 x 32207107 x 23177301 x 8239473 x 5243539 x 4601749 x 33111177 x 2107
Negative:
-1 x -2479939-7 x -354277-11 x -225449-43 x -57673-49 x -50611-77 x -32207-107 x -23177-301 x -8239-473 x -5243-539 x -4601-749 x -3311-1177 x -2107
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 2,479,939, 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 | 2,479,939 | |
| -1 | -2,479,939 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,479,939.
Example:
1 x 2,479,939 = 2,479,939
and
-1 x -2,479,939 = 2,479,939
Notice both answers equal 2,479,939
With that explanation out of the way, let's continue. Next, we take the number 2,479,939 and divide it by 2:
2,479,939 ÷ 2 = 1,239,969.5
If the quotient is a whole number, then 2 and 1,239,969.5 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 | 2,479,939 | |
| -1 | -2,479,939 |
Now, we try dividing 2,479,939 by 3:
2,479,939 ÷ 3 = 826,646.3333
If the quotient is a whole number, then 3 and 826,646.3333 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 | 2,479,939 | |
| -1 | -2,479,939 |
Let's try dividing by 4:
2,479,939 ÷ 4 = 619,984.75
If the quotient is a whole number, then 4 and 619,984.75 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 | 2,479,939 | |
| -1 | 2,479,939 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 43 | 49 | 77 | 107 | 301 | 473 | 539 | 749 | 1,177 | 2,107 | 3,311 | 4,601 | 5,243 | 8,239 | 23,177 | 32,207 | 50,611 | 57,673 | 225,449 | 354,277 | 2,479,939 |
| -1 | -7 | -11 | -43 | -49 | -77 | -107 | -301 | -473 | -539 | -749 | -1,177 | -2,107 | -3,311 | -4,601 | -5,243 | -8,239 | -23,177 | -32,207 | -50,611 | -57,673 | -225,449 | -354,277 | -2,479,939 |
Here are some more numbers to try:
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