Q: What are the factor combinations of the number 7,890,493?
A:
Positive:
1 x 789049313 x 606961
Negative:
-1 x -7890493-13 x -606961
A:
Positive:
1 x 789049313 x 606961
Negative:
-1 x -7890493-13 x -606961
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 7,890,493, 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 | 7,890,493 | |
-1 | -7,890,493 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,890,493.
Example:
1 x 7,890,493 = 7,890,493
and
-1 x -7,890,493 = 7,890,493
Notice both answers equal 7,890,493
With that explanation out of the way, let's continue. Next, we take the number 7,890,493 and divide it by 2:
7,890,493 ÷ 2 = 3,945,246.5
If the quotient is a whole number, then 2 and 3,945,246.5 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 | 7,890,493 | |
-1 | -7,890,493 |
Now, we try dividing 7,890,493 by 3:
7,890,493 ÷ 3 = 2,630,164.3333
If the quotient is a whole number, then 3 and 2,630,164.3333 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 | 7,890,493 | |
-1 | -7,890,493 |
Let's try dividing by 4:
7,890,493 ÷ 4 = 1,972,623.25
If the quotient is a whole number, then 4 and 1,972,623.25 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 | 7,890,493 | |
-1 | 7,890,493 |
If you did it right, you will end up with this table:
1 | 13 | 606,961 | 7,890,493 |
-1 | -13 | -606,961 | -7,890,493 |
Here are some more numbers to try:
Try the factor calculator