Q: What are the factor combinations of the number 37,121,275?

 A:
Positive:   1 x 371212755 x 742425525 x 14848511091 x 340251361 x 272755455 x 6805
Negative: -1 x -37121275-5 x -7424255-25 x -1484851-1091 x -34025-1361 x -27275-5455 x -6805


How do I find the factor combinations of the number 37,121,275?

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 37,121,275, 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 37,121,275
-1 -37,121,275

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 37,121,275.

Example:
1 x 37,121,275 = 37,121,275
and
-1 x -37,121,275 = 37,121,275
Notice both answers equal 37,121,275

With that explanation out of the way, let's continue. Next, we take the number 37,121,275 and divide it by 2:

37,121,275 ÷ 2 = 18,560,637.5

If the quotient is a whole number, then 2 and 18,560,637.5 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 37,121,275
-1 -37,121,275

Now, we try dividing 37,121,275 by 3:

37,121,275 ÷ 3 = 12,373,758.3333

If the quotient is a whole number, then 3 and 12,373,758.3333 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 37,121,275
-1 -37,121,275

Let's try dividing by 4:

37,121,275 ÷ 4 = 9,280,318.75

If the quotient is a whole number, then 4 and 9,280,318.75 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 37,121,275
-1 37,121,275
Keep dividing by the next highest number until you cannot divide anymore.

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

15251,0911,3615,4556,80527,27534,0251,484,8517,424,25537,121,275
-1-5-25-1,091-1,361-5,455-6,805-27,275-34,025-1,484,851-7,424,255-37,121,275

More Examples

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