A:
Positive:
1 x 122113677 x 174448123 x 53092973 x 167279161 x 75847511 x 238971039 x 117531679 x 7273
Negative:
-1 x -12211367-7 x -1744481-23 x -530929-73 x -167279-161 x -75847-511 x -23897-1039 x -11753-1679 x -7273
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 12,211,367, 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 | 12,211,367 | |
| -1 | -12,211,367 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,211,367.
Example:
1 x 12,211,367 = 12,211,367
and
-1 x -12,211,367 = 12,211,367
Notice both answers equal 12,211,367
With that explanation out of the way, let's continue. Next, we take the number 12,211,367 and divide it by 2:
12,211,367 ÷ 2 = 6,105,683.5
If the quotient is a whole number, then 2 and 6,105,683.5 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 | 12,211,367 | |
| -1 | -12,211,367 |
Now, we try dividing 12,211,367 by 3:
12,211,367 ÷ 3 = 4,070,455.6667
If the quotient is a whole number, then 3 and 4,070,455.6667 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 | 12,211,367 | |
| -1 | -12,211,367 |
Let's try dividing by 4:
12,211,367 ÷ 4 = 3,052,841.75
If the quotient is a whole number, then 4 and 3,052,841.75 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 | 12,211,367 | |
| -1 | 12,211,367 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 73 | 161 | 511 | 1,039 | 1,679 | 7,273 | 11,753 | 23,897 | 75,847 | 167,279 | 530,929 | 1,744,481 | 12,211,367 |
| -1 | -7 | -23 | -73 | -161 | -511 | -1,039 | -1,679 | -7,273 | -11,753 | -23,897 | -75,847 | -167,279 | -530,929 | -1,744,481 | -12,211,367 |
Here are some more numbers to try:
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