Q: What are the factor combinations of the number 50,478,549?

 A:
Positive:   1 x 504785493 x 1682618311 x 458895933 x 1529653103 x 490083309 x 1633611133 x 445533399 x 14851
Negative: -1 x -50478549-3 x -16826183-11 x -4588959-33 x -1529653-103 x -490083-309 x -163361-1133 x -44553-3399 x -14851


How do I find the factor combinations of the number 50,478,549?

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 50,478,549, it is easier to work with a table - it's called factoring from the outside in.

Outside in Factoring

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 50,478,549
-1 -50,478,549

Why are the negative numbers included?

When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 50,478,549.

Example:
1 x 50,478,549 = 50,478,549
and
-1 x -50,478,549 = 50,478,549
Notice both answers equal 50,478,549

With that explanation out of the way, let's continue. Next, we take the number 50,478,549 and divide it by 2:

50,478,549 ÷ 2 = 25,239,274.5

If the quotient is a whole number, then 2 and 25,239,274.5 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 50,478,549
-1 -50,478,549

Now, we try dividing 50,478,549 by 3:

50,478,549 ÷ 3 = 16,826,183

If the quotient is a whole number, then 3 and 16,826,183 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 3 16,826,183 50,478,549
-1 -3 -16,826,183 -50,478,549

Let's try dividing by 4:

50,478,549 ÷ 4 = 12,619,637.25

If the quotient is a whole number, then 4 and 12,619,637.25 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 3 16,826,183 50,478,549
-1 -3 -16,826,183 50,478,549
Keep dividing by the next highest number until you cannot divide anymore.

If you did it right, you will end up with this table:

1311331033091,1333,39914,85144,553163,361490,0831,529,6534,588,95916,826,18350,478,549
-1-3-11-33-103-309-1,133-3,399-14,851-44,553-163,361-490,083-1,529,653-4,588,959-16,826,183-50,478,549

More Examples

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