Q: What are the factor combinations of the number 102,011?

 A:
Positive:   1 x 1020117 x 1457313 x 784719 x 536959 x 172991 x 1121133 x 767247 x 413
Negative: -1 x -102011-7 x -14573-13 x -7847-19 x -5369-59 x -1729-91 x -1121-133 x -767-247 x -413


How do I find the factor combinations of the number 102,011?

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 102,011, 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.

1 102,011
-1 -102,011

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 102,011.

Example:
1 x 102,011 = 102,011
and
-1 x -102,011 = 102,011
Notice both answers equal 102,011

With that explanation out of the way, let's continue. Next, we take the number 102,011 and divide it by 2:

102,011 ÷ 2 = 51,005.5

If the quotient is a whole number, then 2 and 51,005.5 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:

1 102,011
-1 -102,011

Now, we try dividing 102,011 by 3:

102,011 ÷ 3 = 34,003.6667

If the quotient is a whole number, then 3 and 34,003.6667 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:

1 102,011
-1 -102,011

Let's try dividing by 4:

102,011 ÷ 4 = 25,502.75

If the quotient is a whole number, then 4 and 25,502.75 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:

1 102,011
-1 102,011
Keep dividing by the next highest number until you cannot divide anymore.

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

17131959911332474137671,1211,7295,3697,84714,573102,011
-1-7-13-19-59-91-133-247-413-767-1,121-1,729-5,369-7,847-14,573-102,011

More Examples

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