A:
Positive:
1 x 27452117 x 39217317 x 16148323 x 11935759 x 46529119 x 23069161 x 17051289 x 9499391 x 7021413 x 66471003 x 27371357 x 2023
Negative:
-1 x -2745211-7 x -392173-17 x -161483-23 x -119357-59 x -46529-119 x -23069-161 x -17051-289 x -9499-391 x -7021-413 x -6647-1003 x -2737-1357 x -2023
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 2,745,211, 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 | 2,745,211 | |
| -1 | -2,745,211 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,745,211.
Example:
1 x 2,745,211 = 2,745,211
and
-1 x -2,745,211 = 2,745,211
Notice both answers equal 2,745,211
With that explanation out of the way, let's continue. Next, we take the number 2,745,211 and divide it by 2:
2,745,211 ÷ 2 = 1,372,605.5
If the quotient is a whole number, then 2 and 1,372,605.5 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 | 2,745,211 | |
| -1 | -2,745,211 |
Now, we try dividing 2,745,211 by 3:
2,745,211 ÷ 3 = 915,070.3333
If the quotient is a whole number, then 3 and 915,070.3333 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 | 2,745,211 | |
| -1 | -2,745,211 |
Let's try dividing by 4:
2,745,211 ÷ 4 = 686,302.75
If the quotient is a whole number, then 4 and 686,302.75 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 | 2,745,211 | |
| -1 | 2,745,211 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 23 | 59 | 119 | 161 | 289 | 391 | 413 | 1,003 | 1,357 | 2,023 | 2,737 | 6,647 | 7,021 | 9,499 | 17,051 | 23,069 | 46,529 | 119,357 | 161,483 | 392,173 | 2,745,211 |
| -1 | -7 | -17 | -23 | -59 | -119 | -161 | -289 | -391 | -413 | -1,003 | -1,357 | -2,023 | -2,737 | -6,647 | -7,021 | -9,499 | -17,051 | -23,069 | -46,529 | -119,357 | -161,483 | -392,173 | -2,745,211 |
Here are some more numbers to try:
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