Q: What are the factor combinations of the number 767,887?

 A:
Positive:   1 x 76788767 x 1146173 x 10519157 x 4891
Negative: -1 x -767887-67 x -11461-73 x -10519-157 x -4891


How do I find the factor combinations of the number 767,887?

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 767,887, 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.

1 767,887
-1 -767,887

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 767,887.

Example:
1 x 767,887 = 767,887
and
-1 x -767,887 = 767,887
Notice both answers equal 767,887

With that explanation out of the way, let's continue. Next, we take the number 767,887 and divide it by 2:

767,887 ÷ 2 = 383,943.5

If the quotient is a whole number, then 2 and 383,943.5 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:

1 767,887
-1 -767,887

Now, we try dividing 767,887 by 3:

767,887 ÷ 3 = 255,962.3333

If the quotient is a whole number, then 3 and 255,962.3333 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:

1 767,887
-1 -767,887

Let's try dividing by 4:

767,887 ÷ 4 = 191,971.75

If the quotient is a whole number, then 4 and 191,971.75 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:

1 767,887
-1 767,887
Keep dividing by the next highest number until you cannot divide anymore.

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

167731574,89110,51911,461767,887
-1-67-73-157-4,891-10,519-11,461-767,887

More Examples

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