A:
Positive:
1 x 41606397 x 59437719 x 21898141 x 10147949 x 84911109 x 38171133 x 31283287 x 14497763 x 5453779 x 5341931 x 44692009 x 2071
Negative:
-1 x -4160639-7 x -594377-19 x -218981-41 x -101479-49 x -84911-109 x -38171-133 x -31283-287 x -14497-763 x -5453-779 x -5341-931 x -4469-2009 x -2071
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 4,160,639, 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 | 4,160,639 | |
| -1 | -4,160,639 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,160,639.
Example:
1 x 4,160,639 = 4,160,639
and
-1 x -4,160,639 = 4,160,639
Notice both answers equal 4,160,639
With that explanation out of the way, let's continue. Next, we take the number 4,160,639 and divide it by 2:
4,160,639 ÷ 2 = 2,080,319.5
If the quotient is a whole number, then 2 and 2,080,319.5 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 | 4,160,639 | |
| -1 | -4,160,639 |
Now, we try dividing 4,160,639 by 3:
4,160,639 ÷ 3 = 1,386,879.6667
If the quotient is a whole number, then 3 and 1,386,879.6667 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 | 4,160,639 | |
| -1 | -4,160,639 |
Let's try dividing by 4:
4,160,639 ÷ 4 = 1,040,159.75
If the quotient is a whole number, then 4 and 1,040,159.75 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 | 4,160,639 | |
| -1 | 4,160,639 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 41 | 49 | 109 | 133 | 287 | 763 | 779 | 931 | 2,009 | 2,071 | 4,469 | 5,341 | 5,453 | 14,497 | 31,283 | 38,171 | 84,911 | 101,479 | 218,981 | 594,377 | 4,160,639 |
| -1 | -7 | -19 | -41 | -49 | -109 | -133 | -287 | -763 | -779 | -931 | -2,009 | -2,071 | -4,469 | -5,341 | -5,453 | -14,497 | -31,283 | -38,171 | -84,911 | -101,479 | -218,981 | -594,377 | -4,160,639 |
Here are some more numbers to try:
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