A:
Positive:
1 x 27472255 x 54944513 x 21132525 x 10988965 x 4226579 x 34775107 x 25675325 x 8453395 x 6955535 x 51351027 x 26751391 x 1975
Negative:
-1 x -2747225-5 x -549445-13 x -211325-25 x -109889-65 x -42265-79 x -34775-107 x -25675-325 x -8453-395 x -6955-535 x -5135-1027 x -2675-1391 x -1975
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 2,747,225, 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 | 2,747,225 | |
| -1 | -2,747,225 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,747,225.
Example:
1 x 2,747,225 = 2,747,225
and
-1 x -2,747,225 = 2,747,225
Notice both answers equal 2,747,225
With that explanation out of the way, let's continue. Next, we take the number 2,747,225 and divide it by 2:
2,747,225 ÷ 2 = 1,373,612.5
If the quotient is a whole number, then 2 and 1,373,612.5 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 | 2,747,225 | |
| -1 | -2,747,225 |
Now, we try dividing 2,747,225 by 3:
2,747,225 ÷ 3 = 915,741.6667
If the quotient is a whole number, then 3 and 915,741.6667 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 | 2,747,225 | |
| -1 | -2,747,225 |
Let's try dividing by 4:
2,747,225 ÷ 4 = 686,806.25
If the quotient is a whole number, then 4 and 686,806.25 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 | 2,747,225 | |
| -1 | 2,747,225 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 79 | 107 | 325 | 395 | 535 | 1,027 | 1,391 | 1,975 | 2,675 | 5,135 | 6,955 | 8,453 | 25,675 | 34,775 | 42,265 | 109,889 | 211,325 | 549,445 | 2,747,225 |
| -1 | -5 | -13 | -25 | -65 | -79 | -107 | -325 | -395 | -535 | -1,027 | -1,391 | -1,975 | -2,675 | -5,135 | -6,955 | -8,453 | -25,675 | -34,775 | -42,265 | -109,889 | -211,325 | -549,445 | -2,747,225 |
Here are some more numbers to try:
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