A:
Positive:
1 x 13686197 x 19551717 x 8050731 x 4414949 x 2793153 x 25823119 x 11501217 x 6307371 x 3689527 x 2597833 x 1643901 x 1519
Negative:
-1 x -1368619-7 x -195517-17 x -80507-31 x -44149-49 x -27931-53 x -25823-119 x -11501-217 x -6307-371 x -3689-527 x -2597-833 x -1643-901 x -1519
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 1,368,619, 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 | 1,368,619 | |
| -1 | -1,368,619 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,368,619.
Example:
1 x 1,368,619 = 1,368,619
and
-1 x -1,368,619 = 1,368,619
Notice both answers equal 1,368,619
With that explanation out of the way, let's continue. Next, we take the number 1,368,619 and divide it by 2:
1,368,619 ÷ 2 = 684,309.5
If the quotient is a whole number, then 2 and 684,309.5 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 | 1,368,619 | |
| -1 | -1,368,619 |
Now, we try dividing 1,368,619 by 3:
1,368,619 ÷ 3 = 456,206.3333
If the quotient is a whole number, then 3 and 456,206.3333 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 | 1,368,619 | |
| -1 | -1,368,619 |
Let's try dividing by 4:
1,368,619 ÷ 4 = 342,154.75
If the quotient is a whole number, then 4 and 342,154.75 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 | 1,368,619 | |
| -1 | 1,368,619 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 31 | 49 | 53 | 119 | 217 | 371 | 527 | 833 | 901 | 1,519 | 1,643 | 2,597 | 3,689 | 6,307 | 11,501 | 25,823 | 27,931 | 44,149 | 80,507 | 195,517 | 1,368,619 |
| -1 | -7 | -17 | -31 | -49 | -53 | -119 | -217 | -371 | -527 | -833 | -901 | -1,519 | -1,643 | -2,597 | -3,689 | -6,307 | -11,501 | -25,823 | -27,931 | -44,149 | -80,507 | -195,517 | -1,368,619 |
Here are some more numbers to try:
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