Q: What are the factor combinations of the number 31,266,061?
A:
Positive:
1 x 312660612113 x 14797
Negative:
-1 x -31266061-2113 x -14797
A:
Positive:
1 x 312660612113 x 14797
Negative:
-1 x -31266061-2113 x -14797
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 31,266,061, 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 | 31,266,061 | |
-1 | -31,266,061 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,266,061.
Example:
1 x 31,266,061 = 31,266,061
and
-1 x -31,266,061 = 31,266,061
Notice both answers equal 31,266,061
With that explanation out of the way, let's continue. Next, we take the number 31,266,061 and divide it by 2:
31,266,061 ÷ 2 = 15,633,030.5
If the quotient is a whole number, then 2 and 15,633,030.5 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 | 31,266,061 | |
-1 | -31,266,061 |
Now, we try dividing 31,266,061 by 3:
31,266,061 ÷ 3 = 10,422,020.3333
If the quotient is a whole number, then 3 and 10,422,020.3333 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 | 31,266,061 | |
-1 | -31,266,061 |
Let's try dividing by 4:
31,266,061 ÷ 4 = 7,816,515.25
If the quotient is a whole number, then 4 and 7,816,515.25 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 | 31,266,061 | |
-1 | 31,266,061 |
If you did it right, you will end up with this table:
1 | 2,113 | 14,797 | 31,266,061 |
-1 | -2,113 | -14,797 | -31,266,061 |
Here are some more numbers to try:
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