A:
Positive:
1 x 142832313 x 10987117 x 8401923 x 62101221 x 6463281 x 5083299 x 4777391 x 3653
Negative:
-1 x -1428323-13 x -109871-17 x -84019-23 x -62101-221 x -6463-281 x -5083-299 x -4777-391 x -3653
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 1,428,323, 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 | 1,428,323 | |
| -1 | -1,428,323 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,428,323.
Example:
1 x 1,428,323 = 1,428,323
and
-1 x -1,428,323 = 1,428,323
Notice both answers equal 1,428,323
With that explanation out of the way, let's continue. Next, we take the number 1,428,323 and divide it by 2:
1,428,323 ÷ 2 = 714,161.5
If the quotient is a whole number, then 2 and 714,161.5 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 | 1,428,323 | |
| -1 | -1,428,323 |
Now, we try dividing 1,428,323 by 3:
1,428,323 ÷ 3 = 476,107.6667
If the quotient is a whole number, then 3 and 476,107.6667 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 | 1,428,323 | |
| -1 | -1,428,323 |
Let's try dividing by 4:
1,428,323 ÷ 4 = 357,080.75
If the quotient is a whole number, then 4 and 357,080.75 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 | 1,428,323 | |
| -1 | 1,428,323 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 23 | 221 | 281 | 299 | 391 | 3,653 | 4,777 | 5,083 | 6,463 | 62,101 | 84,019 | 109,871 | 1,428,323 |
| -1 | -13 | -17 | -23 | -221 | -281 | -299 | -391 | -3,653 | -4,777 | -5,083 | -6,463 | -62,101 | -84,019 | -109,871 | -1,428,323 |
Here are some more numbers to try:
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