A:
Positive:
1 x 103551917 x 147931311 x 94138177 x 134483181 x 57211743 x 139371267 x 81731991 x 5201
Negative:
-1 x -10355191-7 x -1479313-11 x -941381-77 x -134483-181 x -57211-743 x -13937-1267 x -8173-1991 x -5201
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 10,355,191, 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 | 10,355,191 | |
| -1 | -10,355,191 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,355,191.
Example:
1 x 10,355,191 = 10,355,191
and
-1 x -10,355,191 = 10,355,191
Notice both answers equal 10,355,191
With that explanation out of the way, let's continue. Next, we take the number 10,355,191 and divide it by 2:
10,355,191 ÷ 2 = 5,177,595.5
If the quotient is a whole number, then 2 and 5,177,595.5 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 | 10,355,191 | |
| -1 | -10,355,191 |
Now, we try dividing 10,355,191 by 3:
10,355,191 ÷ 3 = 3,451,730.3333
If the quotient is a whole number, then 3 and 3,451,730.3333 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 | 10,355,191 | |
| -1 | -10,355,191 |
Let's try dividing by 4:
10,355,191 ÷ 4 = 2,588,797.75
If the quotient is a whole number, then 4 and 2,588,797.75 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 | 10,355,191 | |
| -1 | 10,355,191 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 181 | 743 | 1,267 | 1,991 | 5,201 | 8,173 | 13,937 | 57,211 | 134,483 | 941,381 | 1,479,313 | 10,355,191 |
| -1 | -7 | -11 | -77 | -181 | -743 | -1,267 | -1,991 | -5,201 | -8,173 | -13,937 | -57,211 | -134,483 | -941,381 | -1,479,313 | -10,355,191 |
Here are some more numbers to try:
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