Q: What are the factor combinations of the number 32,001,137?

 A:
Positive:   1 x 320011377 x 4571591193 x 1658091351 x 23687
Negative: -1 x -32001137-7 x -4571591-193 x -165809-1351 x -23687


How do I find the factor combinations of the number 32,001,137?

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 32,001,137, 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 32,001,137
-1 -32,001,137

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 32,001,137.

Example:
1 x 32,001,137 = 32,001,137
and
-1 x -32,001,137 = 32,001,137
Notice both answers equal 32,001,137

With that explanation out of the way, let's continue. Next, we take the number 32,001,137 and divide it by 2:

32,001,137 ÷ 2 = 16,000,568.5

If the quotient is a whole number, then 2 and 16,000,568.5 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 32,001,137
-1 -32,001,137

Now, we try dividing 32,001,137 by 3:

32,001,137 ÷ 3 = 10,667,045.6667

If the quotient is a whole number, then 3 and 10,667,045.6667 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 32,001,137
-1 -32,001,137

Let's try dividing by 4:

32,001,137 ÷ 4 = 8,000,284.25

If the quotient is a whole number, then 4 and 8,000,284.25 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 32,001,137
-1 32,001,137
Keep dividing by the next highest number until you cannot divide anymore.

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

171931,35123,687165,8094,571,59132,001,137
-1-7-193-1,351-23,687-165,809-4,571,591-32,001,137

More Examples

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