A:
Positive:
1 x 226721397 x 323887741 x 552979197 x 115087287 x 78997401 x 565391379 x 164412807 x 8077
Negative:
-1 x -22672139-7 x -3238877-41 x -552979-197 x -115087-287 x -78997-401 x -56539-1379 x -16441-2807 x -8077
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 22,672,139, 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 | 22,672,139 | |
| -1 | -22,672,139 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 22,672,139.
Example:
1 x 22,672,139 = 22,672,139
and
-1 x -22,672,139 = 22,672,139
Notice both answers equal 22,672,139
With that explanation out of the way, let's continue. Next, we take the number 22,672,139 and divide it by 2:
22,672,139 ÷ 2 = 11,336,069.5
If the quotient is a whole number, then 2 and 11,336,069.5 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 | 22,672,139 | |
| -1 | -22,672,139 |
Now, we try dividing 22,672,139 by 3:
22,672,139 ÷ 3 = 7,557,379.6667
If the quotient is a whole number, then 3 and 7,557,379.6667 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 | 22,672,139 | |
| -1 | -22,672,139 |
Let's try dividing by 4:
22,672,139 ÷ 4 = 5,668,034.75
If the quotient is a whole number, then 4 and 5,668,034.75 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 | 22,672,139 | |
| -1 | 22,672,139 |
If you did it right, you will end up with this table:
| 1 | 7 | 41 | 197 | 287 | 401 | 1,379 | 2,807 | 8,077 | 16,441 | 56,539 | 78,997 | 115,087 | 552,979 | 3,238,877 | 22,672,139 |
| -1 | -7 | -41 | -197 | -287 | -401 | -1,379 | -2,807 | -8,077 | -16,441 | -56,539 | -78,997 | -115,087 | -552,979 | -3,238,877 | -22,672,139 |
Here are some more numbers to try:
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