Q: What are the factor combinations of the number 82,225?

 A:
Positive:   1 x 822255 x 1644511 x 747513 x 632523 x 357525 x 328955 x 149565 x 1265115 x 715143 x 575253 x 325275 x 299
Negative: -1 x -82225-5 x -16445-11 x -7475-13 x -6325-23 x -3575-25 x -3289-55 x -1495-65 x -1265-115 x -715-143 x -575-253 x -325-275 x -299


How do I find the factor combinations of the number 82,225?

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 82,225, 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 82,225
-1 -82,225

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 82,225.

Example:
1 x 82,225 = 82,225
and
-1 x -82,225 = 82,225
Notice both answers equal 82,225

With that explanation out of the way, let's continue. Next, we take the number 82,225 and divide it by 2:

82,225 ÷ 2 = 41,112.5

If the quotient is a whole number, then 2 and 41,112.5 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 82,225
-1 -82,225

Now, we try dividing 82,225 by 3:

82,225 ÷ 3 = 27,408.3333

If the quotient is a whole number, then 3 and 27,408.3333 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 82,225
-1 -82,225

Let's try dividing by 4:

82,225 ÷ 4 = 20,556.25

If the quotient is a whole number, then 4 and 20,556.25 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 82,225
-1 82,225
Keep dividing by the next highest number until you cannot divide anymore.

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

151113232555651151432532752993255757151,2651,4953,2893,5756,3257,47516,44582,225
-1-5-11-13-23-25-55-65-115-143-253-275-299-325-575-715-1,265-1,495-3,289-3,575-6,325-7,475-16,445-82,225

More Examples

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