Q: What are the factor combinations of the number 47,623,741?

 A:
Positive:   1 x 4762374111 x 4329431311 x 1531313421 x 13921
Negative: -1 x -47623741-11 x -4329431-311 x -153131-3421 x -13921


How do I find the factor combinations of the number 47,623,741?

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 47,623,741, 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 47,623,741
-1 -47,623,741

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 47,623,741.

Example:
1 x 47,623,741 = 47,623,741
and
-1 x -47,623,741 = 47,623,741
Notice both answers equal 47,623,741

With that explanation out of the way, let's continue. Next, we take the number 47,623,741 and divide it by 2:

47,623,741 ÷ 2 = 23,811,870.5

If the quotient is a whole number, then 2 and 23,811,870.5 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 47,623,741
-1 -47,623,741

Now, we try dividing 47,623,741 by 3:

47,623,741 ÷ 3 = 15,874,580.3333

If the quotient is a whole number, then 3 and 15,874,580.3333 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 47,623,741
-1 -47,623,741

Let's try dividing by 4:

47,623,741 ÷ 4 = 11,905,935.25

If the quotient is a whole number, then 4 and 11,905,935.25 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 47,623,741
-1 47,623,741
Keep dividing by the next highest number until you cannot divide anymore.

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

1113113,42113,921153,1314,329,43147,623,741
-1-11-311-3,421-13,921-153,131-4,329,431-47,623,741

More Examples

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