Q: What are the factor combinations of the number 223,925?

 A:
Positive:   1 x 2239255 x 4478513 x 1722525 x 895753 x 422565 x 3445169 x 1325265 x 845325 x 689
Negative: -1 x -223925-5 x -44785-13 x -17225-25 x -8957-53 x -4225-65 x -3445-169 x -1325-265 x -845-325 x -689


How do I find the factor combinations of the number 223,925?

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 223,925, 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.

1 223,925
-1 -223,925

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 223,925.

Example:
1 x 223,925 = 223,925
and
-1 x -223,925 = 223,925
Notice both answers equal 223,925

With that explanation out of the way, let's continue. Next, we take the number 223,925 and divide it by 2:

223,925 ÷ 2 = 111,962.5

If the quotient is a whole number, then 2 and 111,962.5 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:

1 223,925
-1 -223,925

Now, we try dividing 223,925 by 3:

223,925 ÷ 3 = 74,641.6667

If the quotient is a whole number, then 3 and 74,641.6667 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:

1 223,925
-1 -223,925

Let's try dividing by 4:

223,925 ÷ 4 = 55,981.25

If the quotient is a whole number, then 4 and 55,981.25 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:

1 223,925
-1 223,925
Keep dividing by the next highest number until you cannot divide anymore.

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

15132553651692653256898451,3253,4454,2258,95717,22544,785223,925
-1-5-13-25-53-65-169-265-325-689-845-1,325-3,445-4,225-8,957-17,225-44,785-223,925

More Examples

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