A:
Positive:
1 x 27145155 x 54290331 x 8756583 x 32705155 x 17513211 x 12865415 x 65411055 x 2573
Negative:
-1 x -2714515-5 x -542903-31 x -87565-83 x -32705-155 x -17513-211 x -12865-415 x -6541-1055 x -2573
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 2,714,515, 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 | 2,714,515 | |
| -1 | -2,714,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,714,515.
Example:
1 x 2,714,515 = 2,714,515
and
-1 x -2,714,515 = 2,714,515
Notice both answers equal 2,714,515
With that explanation out of the way, let's continue. Next, we take the number 2,714,515 and divide it by 2:
2,714,515 ÷ 2 = 1,357,257.5
If the quotient is a whole number, then 2 and 1,357,257.5 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 | 2,714,515 | |
| -1 | -2,714,515 |
Now, we try dividing 2,714,515 by 3:
2,714,515 ÷ 3 = 904,838.3333
If the quotient is a whole number, then 3 and 904,838.3333 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 | 2,714,515 | |
| -1 | -2,714,515 |
Let's try dividing by 4:
2,714,515 ÷ 4 = 678,628.75
If the quotient is a whole number, then 4 and 678,628.75 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 | 2,714,515 | |
| -1 | 2,714,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 31 | 83 | 155 | 211 | 415 | 1,055 | 2,573 | 6,541 | 12,865 | 17,513 | 32,705 | 87,565 | 542,903 | 2,714,515 |
| -1 | -5 | -31 | -83 | -155 | -211 | -415 | -1,055 | -2,573 | -6,541 | -12,865 | -17,513 | -32,705 | -87,565 | -542,903 | -2,714,515 |
Here are some more numbers to try:
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