Q: What are the factor combinations of the number 368,615?

 A:
Positive:   1 x 3686155 x 7372313 x 2835553 x 695565 x 5671107 x 3445265 x 1391535 x 689
Negative: -1 x -368615-5 x -73723-13 x -28355-53 x -6955-65 x -5671-107 x -3445-265 x -1391-535 x -689


How do I find the factor combinations of the number 368,615?

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 368,615, 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.

1 368,615
-1 -368,615

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 368,615.

Example:
1 x 368,615 = 368,615
and
-1 x -368,615 = 368,615
Notice both answers equal 368,615

With that explanation out of the way, let's continue. Next, we take the number 368,615 and divide it by 2:

368,615 ÷ 2 = 184,307.5

If the quotient is a whole number, then 2 and 184,307.5 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:

1 368,615
-1 -368,615

Now, we try dividing 368,615 by 3:

368,615 ÷ 3 = 122,871.6667

If the quotient is a whole number, then 3 and 122,871.6667 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:

1 368,615
-1 -368,615

Let's try dividing by 4:

368,615 ÷ 4 = 92,153.75

If the quotient is a whole number, then 4 and 92,153.75 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:

1 368,615
-1 368,615
Keep dividing by the next highest number until you cannot divide anymore.

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

151353651072655356891,3913,4455,6716,95528,35573,723368,615
-1-5-13-53-65-107-265-535-689-1,391-3,445-5,671-6,955-28,355-73,723-368,615

More Examples

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