A:
Positive:
1 x 112619155 x 22523837 x 160884535 x 32176943 x 26190549 x 229835215 x 52381245 x 45967301 x 374151069 x 105351505 x 74832107 x 5345
Negative:
-1 x -11261915-5 x -2252383-7 x -1608845-35 x -321769-43 x -261905-49 x -229835-215 x -52381-245 x -45967-301 x -37415-1069 x -10535-1505 x -7483-2107 x -5345
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 11,261,915, 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 | 11,261,915 | |
| -1 | -11,261,915 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,261,915.
Example:
1 x 11,261,915 = 11,261,915
and
-1 x -11,261,915 = 11,261,915
Notice both answers equal 11,261,915
With that explanation out of the way, let's continue. Next, we take the number 11,261,915 and divide it by 2:
11,261,915 ÷ 2 = 5,630,957.5
If the quotient is a whole number, then 2 and 5,630,957.5 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 | 11,261,915 | |
| -1 | -11,261,915 |
Now, we try dividing 11,261,915 by 3:
11,261,915 ÷ 3 = 3,753,971.6667
If the quotient is a whole number, then 3 and 3,753,971.6667 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 | 11,261,915 | |
| -1 | -11,261,915 |
Let's try dividing by 4:
11,261,915 ÷ 4 = 2,815,478.75
If the quotient is a whole number, then 4 and 2,815,478.75 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 | 11,261,915 | |
| -1 | 11,261,915 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 43 | 49 | 215 | 245 | 301 | 1,069 | 1,505 | 2,107 | 5,345 | 7,483 | 10,535 | 37,415 | 45,967 | 52,381 | 229,835 | 261,905 | 321,769 | 1,608,845 | 2,252,383 | 11,261,915 |
| -1 | -5 | -7 | -35 | -43 | -49 | -215 | -245 | -301 | -1,069 | -1,505 | -2,107 | -5,345 | -7,483 | -10,535 | -37,415 | -45,967 | -52,381 | -229,835 | -261,905 | -321,769 | -1,608,845 | -2,252,383 | -11,261,915 |
Here are some more numbers to try:
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