A:
Positive:
1 x 27403255 x 5480657 x 39147525 x 10961335 x 7829549 x 55925175 x 15659245 x 111851225 x 2237
Negative:
-1 x -2740325-5 x -548065-7 x -391475-25 x -109613-35 x -78295-49 x -55925-175 x -15659-245 x -11185-1225 x -2237
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 2,740,325, 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 | 2,740,325 | |
| -1 | -2,740,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,740,325.
Example:
1 x 2,740,325 = 2,740,325
and
-1 x -2,740,325 = 2,740,325
Notice both answers equal 2,740,325
With that explanation out of the way, let's continue. Next, we take the number 2,740,325 and divide it by 2:
2,740,325 ÷ 2 = 1,370,162.5
If the quotient is a whole number, then 2 and 1,370,162.5 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 | 2,740,325 | |
| -1 | -2,740,325 |
Now, we try dividing 2,740,325 by 3:
2,740,325 ÷ 3 = 913,441.6667
If the quotient is a whole number, then 3 and 913,441.6667 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 | 2,740,325 | |
| -1 | -2,740,325 |
Let's try dividing by 4:
2,740,325 ÷ 4 = 685,081.25
If the quotient is a whole number, then 4 and 685,081.25 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 | 2,740,325 | |
| -1 | 2,740,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 49 | 175 | 245 | 1,225 | 2,237 | 11,185 | 15,659 | 55,925 | 78,295 | 109,613 | 391,475 | 548,065 | 2,740,325 |
| -1 | -5 | -7 | -25 | -35 | -49 | -175 | -245 | -1,225 | -2,237 | -11,185 | -15,659 | -55,925 | -78,295 | -109,613 | -391,475 | -548,065 | -2,740,325 |
Here are some more numbers to try:
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