Q: What are the factor combinations of the number 361,697?

 A:
Positive:   1 x 3616977 x 51671163 x 2219317 x 1141
Negative: -1 x -361697-7 x -51671-163 x -2219-317 x -1141


How do I find the factor combinations of the number 361,697?

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 361,697, 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.

1 361,697
-1 -361,697

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 361,697.

Example:
1 x 361,697 = 361,697
and
-1 x -361,697 = 361,697
Notice both answers equal 361,697

With that explanation out of the way, let's continue. Next, we take the number 361,697 and divide it by 2:

361,697 ÷ 2 = 180,848.5

If the quotient is a whole number, then 2 and 180,848.5 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:

1 361,697
-1 -361,697

Now, we try dividing 361,697 by 3:

361,697 ÷ 3 = 120,565.6667

If the quotient is a whole number, then 3 and 120,565.6667 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:

1 361,697
-1 -361,697

Let's try dividing by 4:

361,697 ÷ 4 = 90,424.25

If the quotient is a whole number, then 4 and 90,424.25 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:

1 361,697
-1 361,697
Keep dividing by the next highest number until you cannot divide anymore.

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

171633171,1412,21951,671361,697
-1-7-163-317-1,141-2,219-51,671-361,697

More Examples

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