Q: What are the factor combinations of the number 371,519?

 A:
Positive:   1 x 37151923 x 1615329 x 12811557 x 667
Negative: -1 x -371519-23 x -16153-29 x -12811-557 x -667


How do I find the factor combinations of the number 371,519?

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 371,519, 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.

1 371,519
-1 -371,519

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 371,519.

Example:
1 x 371,519 = 371,519
and
-1 x -371,519 = 371,519
Notice both answers equal 371,519

With that explanation out of the way, let's continue. Next, we take the number 371,519 and divide it by 2:

371,519 ÷ 2 = 185,759.5

If the quotient is a whole number, then 2 and 185,759.5 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:

1 371,519
-1 -371,519

Now, we try dividing 371,519 by 3:

371,519 ÷ 3 = 123,839.6667

If the quotient is a whole number, then 3 and 123,839.6667 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:

1 371,519
-1 -371,519

Let's try dividing by 4:

371,519 ÷ 4 = 92,879.75

If the quotient is a whole number, then 4 and 92,879.75 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:

1 371,519
-1 371,519
Keep dividing by the next highest number until you cannot divide anymore.

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

1232955766712,81116,153371,519
-1-23-29-557-667-12,811-16,153-371,519

More Examples

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