A:
Positive:
1 x 220549155 x 441098319 x 116078543 x 51290595 x 232157215 x 102581817 x 269954085 x 5399
Negative:
-1 x -22054915-5 x -4410983-19 x -1160785-43 x -512905-95 x -232157-215 x -102581-817 x -26995-4085 x -5399
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 22,054,915, 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 | 22,054,915 | |
| -1 | -22,054,915 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 22,054,915.
Example:
1 x 22,054,915 = 22,054,915
and
-1 x -22,054,915 = 22,054,915
Notice both answers equal 22,054,915
With that explanation out of the way, let's continue. Next, we take the number 22,054,915 and divide it by 2:
22,054,915 ÷ 2 = 11,027,457.5
If the quotient is a whole number, then 2 and 11,027,457.5 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 | 22,054,915 | |
| -1 | -22,054,915 |
Now, we try dividing 22,054,915 by 3:
22,054,915 ÷ 3 = 7,351,638.3333
If the quotient is a whole number, then 3 and 7,351,638.3333 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 | 22,054,915 | |
| -1 | -22,054,915 |
Let's try dividing by 4:
22,054,915 ÷ 4 = 5,513,728.75
If the quotient is a whole number, then 4 and 5,513,728.75 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 | 22,054,915 | |
| -1 | 22,054,915 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 43 | 95 | 215 | 817 | 4,085 | 5,399 | 26,995 | 102,581 | 232,157 | 512,905 | 1,160,785 | 4,410,983 | 22,054,915 |
| -1 | -5 | -19 | -43 | -95 | -215 | -817 | -4,085 | -5,399 | -26,995 | -102,581 | -232,157 | -512,905 | -1,160,785 | -4,410,983 | -22,054,915 |
Here are some more numbers to try:
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