Q: What are the factor combinations of the number 178,595?

 A:
Positive:   1 x 1785955 x 3571923 x 7765115 x 1553
Negative: -1 x -178595-5 x -35719-23 x -7765-115 x -1553


How do I find the factor combinations of the number 178,595?

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 178,595, 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.

1 178,595
-1 -178,595

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 178,595.

Example:
1 x 178,595 = 178,595
and
-1 x -178,595 = 178,595
Notice both answers equal 178,595

With that explanation out of the way, let's continue. Next, we take the number 178,595 and divide it by 2:

178,595 ÷ 2 = 89,297.5

If the quotient is a whole number, then 2 and 89,297.5 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:

1 178,595
-1 -178,595

Now, we try dividing 178,595 by 3:

178,595 ÷ 3 = 59,531.6667

If the quotient is a whole number, then 3 and 59,531.6667 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:

1 178,595
-1 -178,595

Let's try dividing by 4:

178,595 ÷ 4 = 44,648.75

If the quotient is a whole number, then 4 and 44,648.75 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:

1 178,595
-1 178,595
Keep dividing by the next highest number until you cannot divide anymore.

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

15231151,5537,76535,719178,595
-1-5-23-115-1,553-7,765-35,719-178,595

More Examples

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