Q: What are the factor combinations of the number 276,710,621?
A:
Positive:
1 x 27671062111 x 25155511
Negative:
-1 x -276710621-11 x -25155511
A:
Positive:
1 x 27671062111 x 25155511
Negative:
-1 x -276710621-11 x -25155511
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 276,710,621, 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 | 276,710,621 | |
-1 | -276,710,621 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 276,710,621.
Example:
1 x 276,710,621 = 276,710,621
and
-1 x -276,710,621 = 276,710,621
Notice both answers equal 276,710,621
With that explanation out of the way, let's continue. Next, we take the number 276,710,621 and divide it by 2:
276,710,621 ÷ 2 = 138,355,310.5
If the quotient is a whole number, then 2 and 138,355,310.5 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 | 276,710,621 | |
-1 | -276,710,621 |
Now, we try dividing 276,710,621 by 3:
276,710,621 ÷ 3 = 92,236,873.6667
If the quotient is a whole number, then 3 and 92,236,873.6667 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 | 276,710,621 | |
-1 | -276,710,621 |
Let's try dividing by 4:
276,710,621 ÷ 4 = 69,177,655.25
If the quotient is a whole number, then 4 and 69,177,655.25 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 | 276,710,621 | |
-1 | 276,710,621 |
If you did it right, you will end up with this table:
1 | 11 | 25,155,511 | 276,710,621 |
-1 | -11 | -25,155,511 | -276,710,621 |
Here are some more numbers to try:
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