A:
Positive:
1 x 276444355 x 55288877 x 394920513 x 212649535 x 78984165 x 42529991 x 303785455 x 60757
Negative:
-1 x -27644435-5 x -5528887-7 x -3949205-13 x -2126495-35 x -789841-65 x -425299-91 x -303785-455 x -60757
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 27,644,435, 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 | 27,644,435 | |
| -1 | -27,644,435 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 27,644,435.
Example:
1 x 27,644,435 = 27,644,435
and
-1 x -27,644,435 = 27,644,435
Notice both answers equal 27,644,435
With that explanation out of the way, let's continue. Next, we take the number 27,644,435 and divide it by 2:
27,644,435 ÷ 2 = 13,822,217.5
If the quotient is a whole number, then 2 and 13,822,217.5 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 | 27,644,435 | |
| -1 | -27,644,435 |
Now, we try dividing 27,644,435 by 3:
27,644,435 ÷ 3 = 9,214,811.6667
If the quotient is a whole number, then 3 and 9,214,811.6667 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 | 27,644,435 | |
| -1 | -27,644,435 |
Let's try dividing by 4:
27,644,435 ÷ 4 = 6,911,108.75
If the quotient is a whole number, then 4 and 6,911,108.75 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 | 27,644,435 | |
| -1 | 27,644,435 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 65 | 91 | 455 | 60,757 | 303,785 | 425,299 | 789,841 | 2,126,495 | 3,949,205 | 5,528,887 | 27,644,435 |
| -1 | -5 | -7 | -13 | -35 | -65 | -91 | -455 | -60,757 | -303,785 | -425,299 | -789,841 | -2,126,495 | -3,949,205 | -5,528,887 | -27,644,435 |
Here are some more numbers to try:
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