Q: What are the factor combinations of the number 351,463?

 A:
Positive:   1 x 3514637 x 5020923 x 1528137 x 949959 x 5957161 x 2183259 x 1357413 x 851
Negative: -1 x -351463-7 x -50209-23 x -15281-37 x -9499-59 x -5957-161 x -2183-259 x -1357-413 x -851


How do I find the factor combinations of the number 351,463?

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 351,463, 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.

1 351,463
-1 -351,463

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 351,463.

Example:
1 x 351,463 = 351,463
and
-1 x -351,463 = 351,463
Notice both answers equal 351,463

With that explanation out of the way, let's continue. Next, we take the number 351,463 and divide it by 2:

351,463 ÷ 2 = 175,731.5

If the quotient is a whole number, then 2 and 175,731.5 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:

1 351,463
-1 -351,463

Now, we try dividing 351,463 by 3:

351,463 ÷ 3 = 117,154.3333

If the quotient is a whole number, then 3 and 117,154.3333 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:

1 351,463
-1 -351,463

Let's try dividing by 4:

351,463 ÷ 4 = 87,865.75

If the quotient is a whole number, then 4 and 87,865.75 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:

1 351,463
-1 351,463
Keep dividing by the next highest number until you cannot divide anymore.

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

172337591612594138511,3572,1835,9579,49915,28150,209351,463
-1-7-23-37-59-161-259-413-851-1,357-2,183-5,957-9,499-15,281-50,209-351,463

More Examples

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