Q: What are the factor combinations of the number 148,841?

 A:
Positive:   1 x 1488417 x 2126311 x 1353177 x 1933
Negative: -1 x -148841-7 x -21263-11 x -13531-77 x -1933


How do I find the factor combinations of the number 148,841?

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 148,841, 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.

1 148,841
-1 -148,841

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 148,841.

Example:
1 x 148,841 = 148,841
and
-1 x -148,841 = 148,841
Notice both answers equal 148,841

With that explanation out of the way, let's continue. Next, we take the number 148,841 and divide it by 2:

148,841 ÷ 2 = 74,420.5

If the quotient is a whole number, then 2 and 74,420.5 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:

1 148,841
-1 -148,841

Now, we try dividing 148,841 by 3:

148,841 ÷ 3 = 49,613.6667

If the quotient is a whole number, then 3 and 49,613.6667 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:

1 148,841
-1 -148,841

Let's try dividing by 4:

148,841 ÷ 4 = 37,210.25

If the quotient is a whole number, then 4 and 37,210.25 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:

1 148,841
-1 148,841
Keep dividing by the next highest number until you cannot divide anymore.

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

1711771,93313,53121,263148,841
-1-7-11-77-1,933-13,531-21,263-148,841

More Examples

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