Q: What are the factor combinations of the number 76,621,331?
A:
Positive:
1 x 76621331337 x 227363
Negative:
-1 x -76621331-337 x -227363
A:
Positive:
1 x 76621331337 x 227363
Negative:
-1 x -76621331-337 x -227363
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 76,621,331, 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 | 76,621,331 | |
-1 | -76,621,331 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 76,621,331.
Example:
1 x 76,621,331 = 76,621,331
and
-1 x -76,621,331 = 76,621,331
Notice both answers equal 76,621,331
With that explanation out of the way, let's continue. Next, we take the number 76,621,331 and divide it by 2:
76,621,331 ÷ 2 = 38,310,665.5
If the quotient is a whole number, then 2 and 38,310,665.5 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 | 76,621,331 | |
-1 | -76,621,331 |
Now, we try dividing 76,621,331 by 3:
76,621,331 ÷ 3 = 25,540,443.6667
If the quotient is a whole number, then 3 and 25,540,443.6667 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 | 76,621,331 | |
-1 | -76,621,331 |
Let's try dividing by 4:
76,621,331 ÷ 4 = 19,155,332.75
If the quotient is a whole number, then 4 and 19,155,332.75 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 | 76,621,331 | |
-1 | 76,621,331 |
If you did it right, you will end up with this table:
1 | 337 | 227,363 | 76,621,331 |
-1 | -337 | -227,363 | -76,621,331 |
Here are some more numbers to try:
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