A:
Positive:
1 x 1119586731 x 36115737 x 30259143 x 260369227 x 493211147 x 97611333 x 83991591 x 7037
Negative:
-1 x -11195867-31 x -361157-37 x -302591-43 x -260369-227 x -49321-1147 x -9761-1333 x -8399-1591 x -7037
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 11,195,867, 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 | 11,195,867 | |
| -1 | -11,195,867 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,195,867.
Example:
1 x 11,195,867 = 11,195,867
and
-1 x -11,195,867 = 11,195,867
Notice both answers equal 11,195,867
With that explanation out of the way, let's continue. Next, we take the number 11,195,867 and divide it by 2:
11,195,867 ÷ 2 = 5,597,933.5
If the quotient is a whole number, then 2 and 5,597,933.5 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 | 11,195,867 | |
| -1 | -11,195,867 |
Now, we try dividing 11,195,867 by 3:
11,195,867 ÷ 3 = 3,731,955.6667
If the quotient is a whole number, then 3 and 3,731,955.6667 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 | 11,195,867 | |
| -1 | -11,195,867 |
Let's try dividing by 4:
11,195,867 ÷ 4 = 2,798,966.75
If the quotient is a whole number, then 4 and 2,798,966.75 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 | 11,195,867 | |
| -1 | 11,195,867 |
If you did it right, you will end up with this table:
| 1 | 31 | 37 | 43 | 227 | 1,147 | 1,333 | 1,591 | 7,037 | 8,399 | 9,761 | 49,321 | 260,369 | 302,591 | 361,157 | 11,195,867 |
| -1 | -31 | -37 | -43 | -227 | -1,147 | -1,333 | -1,591 | -7,037 | -8,399 | -9,761 | -49,321 | -260,369 | -302,591 | -361,157 | -11,195,867 |
Here are some more numbers to try:
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