A:
Positive:
1 x 80474037 x 114962913 x 61903191 x 88433191 x 42133463 x 173811337 x 60192483 x 3241
Negative:
-1 x -8047403-7 x -1149629-13 x -619031-91 x -88433-191 x -42133-463 x -17381-1337 x -6019-2483 x -3241
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 8,047,403, 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 | 8,047,403 | |
| -1 | -8,047,403 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 8,047,403.
Example:
1 x 8,047,403 = 8,047,403
and
-1 x -8,047,403 = 8,047,403
Notice both answers equal 8,047,403
With that explanation out of the way, let's continue. Next, we take the number 8,047,403 and divide it by 2:
8,047,403 ÷ 2 = 4,023,701.5
If the quotient is a whole number, then 2 and 4,023,701.5 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 | 8,047,403 | |
| -1 | -8,047,403 |
Now, we try dividing 8,047,403 by 3:
8,047,403 ÷ 3 = 2,682,467.6667
If the quotient is a whole number, then 3 and 2,682,467.6667 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 | 8,047,403 | |
| -1 | -8,047,403 |
Let's try dividing by 4:
8,047,403 ÷ 4 = 2,011,850.75
If the quotient is a whole number, then 4 and 2,011,850.75 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 | 8,047,403 | |
| -1 | 8,047,403 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 91 | 191 | 463 | 1,337 | 2,483 | 3,241 | 6,019 | 17,381 | 42,133 | 88,433 | 619,031 | 1,149,629 | 8,047,403 |
| -1 | -7 | -13 | -91 | -191 | -463 | -1,337 | -2,483 | -3,241 | -6,019 | -17,381 | -42,133 | -88,433 | -619,031 | -1,149,629 | -8,047,403 |
Here are some more numbers to try:
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