A:
Positive:
1 x 32402517 x 46289317 x 19060373 x 44387119 x 27229373 x 8687511 x 63411241 x 2611
Negative:
-1 x -3240251-7 x -462893-17 x -190603-73 x -44387-119 x -27229-373 x -8687-511 x -6341-1241 x -2611
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 3,240,251, 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 | 3,240,251 | |
| -1 | -3,240,251 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,240,251.
Example:
1 x 3,240,251 = 3,240,251
and
-1 x -3,240,251 = 3,240,251
Notice both answers equal 3,240,251
With that explanation out of the way, let's continue. Next, we take the number 3,240,251 and divide it by 2:
3,240,251 ÷ 2 = 1,620,125.5
If the quotient is a whole number, then 2 and 1,620,125.5 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 | 3,240,251 | |
| -1 | -3,240,251 |
Now, we try dividing 3,240,251 by 3:
3,240,251 ÷ 3 = 1,080,083.6667
If the quotient is a whole number, then 3 and 1,080,083.6667 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 | 3,240,251 | |
| -1 | -3,240,251 |
Let's try dividing by 4:
3,240,251 ÷ 4 = 810,062.75
If the quotient is a whole number, then 4 and 810,062.75 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 | 3,240,251 | |
| -1 | 3,240,251 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 73 | 119 | 373 | 511 | 1,241 | 2,611 | 6,341 | 8,687 | 27,229 | 44,387 | 190,603 | 462,893 | 3,240,251 |
| -1 | -7 | -17 | -73 | -119 | -373 | -511 | -1,241 | -2,611 | -6,341 | -8,687 | -27,229 | -44,387 | -190,603 | -462,893 | -3,240,251 |
Here are some more numbers to try:
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