Q: What are the factor combinations of the number 47,428,884?

 A:
Positive:   1 x 474288842 x 237144423 x 158096284 x 118572216 x 79048149 x 526987612 x 395240718 x 263493831 x 152996436 x 131746962 x 76498293 x 509988124 x 382491186 x 254994279 x 169996372 x 127497558 x 849981116 x 42499
Negative: -1 x -47428884-2 x -23714442-3 x -15809628-4 x -11857221-6 x -7904814-9 x -5269876-12 x -3952407-18 x -2634938-31 x -1529964-36 x -1317469-62 x -764982-93 x -509988-124 x -382491-186 x -254994-279 x -169996-372 x -127497-558 x -84998-1116 x -42499


How do I find the factor combinations of the number 47,428,884?

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 47,428,884, 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 47,428,884
-1 -47,428,884

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 47,428,884.

Example:
1 x 47,428,884 = 47,428,884
and
-1 x -47,428,884 = 47,428,884
Notice both answers equal 47,428,884

With that explanation out of the way, let's continue. Next, we take the number 47,428,884 and divide it by 2:

47,428,884 ÷ 2 = 23,714,442

If the quotient is a whole number, then 2 and 23,714,442 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 23,714,442 47,428,884
-1 -2 -23,714,442 -47,428,884

Now, we try dividing 47,428,884 by 3:

47,428,884 ÷ 3 = 15,809,628

If the quotient is a whole number, then 3 and 15,809,628 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 3 15,809,628 23,714,442 47,428,884
-1 -2 -3 -15,809,628 -23,714,442 -47,428,884

Let's try dividing by 4:

47,428,884 ÷ 4 = 11,857,221

If the quotient is a whole number, then 4 and 11,857,221 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 3 4 11,857,221 15,809,628 23,714,442 47,428,884
-1 -2 -3 -4 -11,857,221 -15,809,628 -23,714,442 47,428,884
Keep dividing by the next highest number until you cannot divide anymore.

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

1234691218313662931241862793725581,11642,49984,998127,497169,996254,994382,491509,988764,9821,317,4691,529,9642,634,9383,952,4075,269,8767,904,81411,857,22115,809,62823,714,44247,428,884
-1-2-3-4-6-9-12-18-31-36-62-93-124-186-279-372-558-1,116-42,499-84,998-127,497-169,996-254,994-382,491-509,988-764,982-1,317,469-1,529,964-2,634,938-3,952,407-5,269,876-7,904,814-11,857,221-15,809,628-23,714,442-47,428,884

More Examples

Here are some more numbers to try:

47,428,88247,428,88347,428,88547,428,886
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