A:
Positive:
1 x 122369177 x 174813111 x 111244749 x 24973373 x 16762977 x 158921311 x 39347511 x 23947539 x 22703803 x 152392177 x 56213421 x 3577
Negative:
-1 x -12236917-7 x -1748131-11 x -1112447-49 x -249733-73 x -167629-77 x -158921-311 x -39347-511 x -23947-539 x -22703-803 x -15239-2177 x -5621-3421 x -3577
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 12,236,917, 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 | 12,236,917 | |
| -1 | -12,236,917 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,236,917.
Example:
1 x 12,236,917 = 12,236,917
and
-1 x -12,236,917 = 12,236,917
Notice both answers equal 12,236,917
With that explanation out of the way, let's continue. Next, we take the number 12,236,917 and divide it by 2:
12,236,917 ÷ 2 = 6,118,458.5
If the quotient is a whole number, then 2 and 6,118,458.5 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 | 12,236,917 | |
| -1 | -12,236,917 |
Now, we try dividing 12,236,917 by 3:
12,236,917 ÷ 3 = 4,078,972.3333
If the quotient is a whole number, then 3 and 4,078,972.3333 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 | 12,236,917 | |
| -1 | -12,236,917 |
Let's try dividing by 4:
12,236,917 ÷ 4 = 3,059,229.25
If the quotient is a whole number, then 4 and 3,059,229.25 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 | 12,236,917 | |
| -1 | 12,236,917 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 49 | 73 | 77 | 311 | 511 | 539 | 803 | 2,177 | 3,421 | 3,577 | 5,621 | 15,239 | 22,703 | 23,947 | 39,347 | 158,921 | 167,629 | 249,733 | 1,112,447 | 1,748,131 | 12,236,917 |
| -1 | -7 | -11 | -49 | -73 | -77 | -311 | -511 | -539 | -803 | -2,177 | -3,421 | -3,577 | -5,621 | -15,239 | -22,703 | -23,947 | -39,347 | -158,921 | -167,629 | -249,733 | -1,112,447 | -1,748,131 | -12,236,917 |
Here are some more numbers to try:
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