Q: What are the factor combinations of the number 494,395?

 A:
Positive:   1 x 4943955 x 9887911 x 4494555 x 898989 x 5555101 x 4895445 x 1111505 x 979
Negative: -1 x -494395-5 x -98879-11 x -44945-55 x -8989-89 x -5555-101 x -4895-445 x -1111-505 x -979


How do I find the factor combinations of the number 494,395?

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 494,395, 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.

1 494,395
-1 -494,395

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 494,395.

Example:
1 x 494,395 = 494,395
and
-1 x -494,395 = 494,395
Notice both answers equal 494,395

With that explanation out of the way, let's continue. Next, we take the number 494,395 and divide it by 2:

494,395 ÷ 2 = 247,197.5

If the quotient is a whole number, then 2 and 247,197.5 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:

1 494,395
-1 -494,395

Now, we try dividing 494,395 by 3:

494,395 ÷ 3 = 164,798.3333

If the quotient is a whole number, then 3 and 164,798.3333 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:

1 494,395
-1 -494,395

Let's try dividing by 4:

494,395 ÷ 4 = 123,598.75

If the quotient is a whole number, then 4 and 123,598.75 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:

1 494,395
-1 494,395
Keep dividing by the next highest number until you cannot divide anymore.

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

151155891014455059791,1114,8955,5558,98944,94598,879494,395
-1-5-11-55-89-101-445-505-979-1,111-4,895-5,555-8,989-44,945-98,879-494,395

More Examples

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