A:
Positive:
1 x 12534555 x 2506917 x 17906535 x 3581359 x 21245295 x 4249413 x 3035607 x 2065
Negative:
-1 x -1253455-5 x -250691-7 x -179065-35 x -35813-59 x -21245-295 x -4249-413 x -3035-607 x -2065
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 1,253,455, 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 | 1,253,455 | |
| -1 | -1,253,455 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,253,455.
Example:
1 x 1,253,455 = 1,253,455
and
-1 x -1,253,455 = 1,253,455
Notice both answers equal 1,253,455
With that explanation out of the way, let's continue. Next, we take the number 1,253,455 and divide it by 2:
1,253,455 ÷ 2 = 626,727.5
If the quotient is a whole number, then 2 and 626,727.5 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 | 1,253,455 | |
| -1 | -1,253,455 |
Now, we try dividing 1,253,455 by 3:
1,253,455 ÷ 3 = 417,818.3333
If the quotient is a whole number, then 3 and 417,818.3333 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 | 1,253,455 | |
| -1 | -1,253,455 |
Let's try dividing by 4:
1,253,455 ÷ 4 = 313,363.75
If the quotient is a whole number, then 4 and 313,363.75 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 | 1,253,455 | |
| -1 | 1,253,455 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 59 | 295 | 413 | 607 | 2,065 | 3,035 | 4,249 | 21,245 | 35,813 | 179,065 | 250,691 | 1,253,455 |
| -1 | -5 | -7 | -35 | -59 | -295 | -413 | -607 | -2,065 | -3,035 | -4,249 | -21,245 | -35,813 | -179,065 | -250,691 | -1,253,455 |
Here are some more numbers to try:
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