Q: What are the factor combinations of the number 372,125?

 A:
Positive:   1 x 3721255 x 7442513 x 2862525 x 1488565 x 5725125 x 2977229 x 1625325 x 1145
Negative: -1 x -372125-5 x -74425-13 x -28625-25 x -14885-65 x -5725-125 x -2977-229 x -1625-325 x -1145


How do I find the factor combinations of the number 372,125?

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 372,125, 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.

1 372,125
-1 -372,125

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 372,125.

Example:
1 x 372,125 = 372,125
and
-1 x -372,125 = 372,125
Notice both answers equal 372,125

With that explanation out of the way, let's continue. Next, we take the number 372,125 and divide it by 2:

372,125 ÷ 2 = 186,062.5

If the quotient is a whole number, then 2 and 186,062.5 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:

1 372,125
-1 -372,125

Now, we try dividing 372,125 by 3:

372,125 ÷ 3 = 124,041.6667

If the quotient is a whole number, then 3 and 124,041.6667 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:

1 372,125
-1 -372,125

Let's try dividing by 4:

372,125 ÷ 4 = 93,031.25

If the quotient is a whole number, then 4 and 93,031.25 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:

1 372,125
-1 372,125
Keep dividing by the next highest number until you cannot divide anymore.

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

151325651252293251,1451,6252,9775,72514,88528,62574,425372,125
-1-5-13-25-65-125-229-325-1,145-1,625-2,977-5,725-14,885-28,625-74,425-372,125

More Examples

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