Q: What are the factor combinations of the number 64,369?

 A:
Positive:   1 x 6436959 x 1091
Negative: -1 x -64369-59 x -1091


How do I find the factor combinations of the number 64,369?

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 64,369, 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 64,369
-1 -64,369

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 64,369.

Example:
1 x 64,369 = 64,369
and
-1 x -64,369 = 64,369
Notice both answers equal 64,369

With that explanation out of the way, let's continue. Next, we take the number 64,369 and divide it by 2:

64,369 ÷ 2 = 32,184.5

If the quotient is a whole number, then 2 and 32,184.5 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 64,369
-1 -64,369

Now, we try dividing 64,369 by 3:

64,369 ÷ 3 = 21,456.3333

If the quotient is a whole number, then 3 and 21,456.3333 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 64,369
-1 -64,369

Let's try dividing by 4:

64,369 ÷ 4 = 16,092.25

If the quotient is a whole number, then 4 and 16,092.25 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 64,369
-1 64,369
Keep dividing by the next highest number until you cannot divide anymore.

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

1591,09164,369
-1-59-1,091-64,369

More Examples

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