Q: What are the factor combinations of the number 242,804,860?

 A:
Positive:   1 x 2428048602 x 1214024304 x 607012155 x 4856097210 x 2428048620 x 12140243
Negative: -1 x -242804860-2 x -121402430-4 x -60701215-5 x -48560972-10 x -24280486-20 x -12140243


How do I find the factor combinations of the number 242,804,860?

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 242,804,860, 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.

1 242,804,860
-1 -242,804,860

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 242,804,860.

Example:
1 x 242,804,860 = 242,804,860
and
-1 x -242,804,860 = 242,804,860
Notice both answers equal 242,804,860

With that explanation out of the way, let's continue. Next, we take the number 242,804,860 and divide it by 2:

242,804,860 ÷ 2 = 121,402,430

If the quotient is a whole number, then 2 and 121,402,430 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 2 121,402,430 242,804,860
-1 -2 -121,402,430 -242,804,860

Now, we try dividing 242,804,860 by 3:

242,804,860 ÷ 3 = 80,934,953.3333

If the quotient is a whole number, then 3 and 80,934,953.3333 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 2 121,402,430 242,804,860
-1 -2 -121,402,430 -242,804,860

Let's try dividing by 4:

242,804,860 ÷ 4 = 60,701,215

If the quotient is a whole number, then 4 and 60,701,215 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 2 4 60,701,215 121,402,430 242,804,860
-1 -2 -4 -60,701,215 -121,402,430 242,804,860
Keep dividing by the next highest number until you cannot divide anymore.

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

1245102012,140,24324,280,48648,560,97260,701,215121,402,430242,804,860
-1-2-4-5-10-20-12,140,243-24,280,486-48,560,972-60,701,215-121,402,430-242,804,860

More Examples

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