Q: What are the factor combinations of the number 725,414,713?
A:
Positive:
1 x 7254147133361 x 215833
Negative:
-1 x -725414713-3361 x -215833
A:
Positive:
1 x 7254147133361 x 215833
Negative:
-1 x -725414713-3361 x -215833
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 725,414,713, 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 | 725,414,713 | |
-1 | -725,414,713 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 725,414,713.
Example:
1 x 725,414,713 = 725,414,713
and
-1 x -725,414,713 = 725,414,713
Notice both answers equal 725,414,713
With that explanation out of the way, let's continue. Next, we take the number 725,414,713 and divide it by 2:
725,414,713 ÷ 2 = 362,707,356.5
If the quotient is a whole number, then 2 and 362,707,356.5 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 | 725,414,713 | |
-1 | -725,414,713 |
Now, we try dividing 725,414,713 by 3:
725,414,713 ÷ 3 = 241,804,904.3333
If the quotient is a whole number, then 3 and 241,804,904.3333 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 | 725,414,713 | |
-1 | -725,414,713 |
Let's try dividing by 4:
725,414,713 ÷ 4 = 181,353,678.25
If the quotient is a whole number, then 4 and 181,353,678.25 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 | 725,414,713 | |
-1 | 725,414,713 |
If you did it right, you will end up with this table:
1 | 3,361 | 215,833 | 725,414,713 |
-1 | -3,361 | -215,833 | -725,414,713 |
Here are some more numbers to try:
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