Q: What are the factor combinations of the number 49,445?

 A:
Positive:   1 x 494455 x 988911 x 449529 x 170531 x 159555 x 899145 x 341155 x 319
Negative: -1 x -49445-5 x -9889-11 x -4495-29 x -1705-31 x -1595-55 x -899-145 x -341-155 x -319


How do I find the factor combinations of the number 49,445?

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 49,445, 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 49,445
-1 -49,445

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 49,445.

Example:
1 x 49,445 = 49,445
and
-1 x -49,445 = 49,445
Notice both answers equal 49,445

With that explanation out of the way, let's continue. Next, we take the number 49,445 and divide it by 2:

49,445 ÷ 2 = 24,722.5

If the quotient is a whole number, then 2 and 24,722.5 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 49,445
-1 -49,445

Now, we try dividing 49,445 by 3:

49,445 ÷ 3 = 16,481.6667

If the quotient is a whole number, then 3 and 16,481.6667 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 49,445
-1 -49,445

Let's try dividing by 4:

49,445 ÷ 4 = 12,361.25

If the quotient is a whole number, then 4 and 12,361.25 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 49,445
-1 49,445
Keep dividing by the next highest number until you cannot divide anymore.

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

15112931551451553193418991,5951,7054,4959,88949,445
-1-5-11-29-31-55-145-155-319-341-899-1,595-1,705-4,495-9,889-49,445

More Examples

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