Q: What are the factor combinations of the number 150,875?

 A:
Positive:   1 x 1508755 x 3017517 x 887525 x 603571 x 212585 x 1775125 x 1207355 x 425
Negative: -1 x -150875-5 x -30175-17 x -8875-25 x -6035-71 x -2125-85 x -1775-125 x -1207-355 x -425


How do I find the factor combinations of the number 150,875?

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 150,875, 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.

1 150,875
-1 -150,875

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 150,875.

Example:
1 x 150,875 = 150,875
and
-1 x -150,875 = 150,875
Notice both answers equal 150,875

With that explanation out of the way, let's continue. Next, we take the number 150,875 and divide it by 2:

150,875 ÷ 2 = 75,437.5

If the quotient is a whole number, then 2 and 75,437.5 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:

1 150,875
-1 -150,875

Now, we try dividing 150,875 by 3:

150,875 ÷ 3 = 50,291.6667

If the quotient is a whole number, then 3 and 50,291.6667 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:

1 150,875
-1 -150,875

Let's try dividing by 4:

150,875 ÷ 4 = 37,718.75

If the quotient is a whole number, then 4 and 37,718.75 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:

1 150,875
-1 150,875
Keep dividing by the next highest number until you cannot divide anymore.

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

15172571851253554251,2071,7752,1256,0358,87530,175150,875
-1-5-17-25-71-85-125-355-425-1,207-1,775-2,125-6,035-8,875-30,175-150,875

More Examples

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