Q: What are the factor combinations of the number 41,745,068?

 A:
Positive:   1 x 417450682 x 208725344 x 104362671933 x 215963866 x 107985399 x 7732
Negative: -1 x -41745068-2 x -20872534-4 x -10436267-1933 x -21596-3866 x -10798-5399 x -7732


How do I find the factor combinations of the number 41,745,068?

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 41,745,068, 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 41,745,068
-1 -41,745,068

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 41,745,068.

Example:
1 x 41,745,068 = 41,745,068
and
-1 x -41,745,068 = 41,745,068
Notice both answers equal 41,745,068

With that explanation out of the way, let's continue. Next, we take the number 41,745,068 and divide it by 2:

41,745,068 ÷ 2 = 20,872,534

If the quotient is a whole number, then 2 and 20,872,534 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 20,872,534 41,745,068
-1 -2 -20,872,534 -41,745,068

Now, we try dividing 41,745,068 by 3:

41,745,068 ÷ 3 = 13,915,022.6667

If the quotient is a whole number, then 3 and 13,915,022.6667 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 2 20,872,534 41,745,068
-1 -2 -20,872,534 -41,745,068

Let's try dividing by 4:

41,745,068 ÷ 4 = 10,436,267

If the quotient is a whole number, then 4 and 10,436,267 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 4 10,436,267 20,872,534 41,745,068
-1 -2 -4 -10,436,267 -20,872,534 41,745,068
Keep dividing by the next highest number until you cannot divide anymore.

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

1241,9333,8665,3997,73210,79821,59610,436,26720,872,53441,745,068
-1-2-4-1,933-3,866-5,399-7,732-10,798-21,596-10,436,267-20,872,534-41,745,068

More Examples

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