Q: What are the factor combinations of the number 225,071?

 A:
Positive:   1 x 2250717 x 3215311 x 2046137 x 608377 x 292379 x 2849259 x 869407 x 553
Negative: -1 x -225071-7 x -32153-11 x -20461-37 x -6083-77 x -2923-79 x -2849-259 x -869-407 x -553


How do I find the factor combinations of the number 225,071?

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 225,071, 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.

1 225,071
-1 -225,071

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 225,071.

Example:
1 x 225,071 = 225,071
and
-1 x -225,071 = 225,071
Notice both answers equal 225,071

With that explanation out of the way, let's continue. Next, we take the number 225,071 and divide it by 2:

225,071 ÷ 2 = 112,535.5

If the quotient is a whole number, then 2 and 112,535.5 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:

1 225,071
-1 -225,071

Now, we try dividing 225,071 by 3:

225,071 ÷ 3 = 75,023.6667

If the quotient is a whole number, then 3 and 75,023.6667 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:

1 225,071
-1 -225,071

Let's try dividing by 4:

225,071 ÷ 4 = 56,267.75

If the quotient is a whole number, then 4 and 56,267.75 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:

1 225,071
-1 225,071
Keep dividing by the next highest number until you cannot divide anymore.

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

17113777792594075538692,8492,9236,08320,46132,153225,071
-1-7-11-37-77-79-259-407-553-869-2,849-2,923-6,083-20,461-32,153-225,071

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