Q: What are the factor combinations of the number 37,709,525?

 A:
Positive:   1 x 377095255 x 75419057 x 538707525 x 150838135 x 1077415175 x 215483
Negative: -1 x -37709525-5 x -7541905-7 x -5387075-25 x -1508381-35 x -1077415-175 x -215483


How do I find the factor combinations of the number 37,709,525?

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 37,709,525, 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 37,709,525
-1 -37,709,525

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 37,709,525.

Example:
1 x 37,709,525 = 37,709,525
and
-1 x -37,709,525 = 37,709,525
Notice both answers equal 37,709,525

With that explanation out of the way, let's continue. Next, we take the number 37,709,525 and divide it by 2:

37,709,525 ÷ 2 = 18,854,762.5

If the quotient is a whole number, then 2 and 18,854,762.5 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 37,709,525
-1 -37,709,525

Now, we try dividing 37,709,525 by 3:

37,709,525 ÷ 3 = 12,569,841.6667

If the quotient is a whole number, then 3 and 12,569,841.6667 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 37,709,525
-1 -37,709,525

Let's try dividing by 4:

37,709,525 ÷ 4 = 9,427,381.25

If the quotient is a whole number, then 4 and 9,427,381.25 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 37,709,525
-1 37,709,525
Keep dividing by the next highest number until you cannot divide anymore.

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

1572535175215,4831,077,4151,508,3815,387,0757,541,90537,709,525
-1-5-7-25-35-175-215,483-1,077,415-1,508,381-5,387,075-7,541,905-37,709,525

More Examples

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