Q: What are the factor combinations of the number 986,758?

 A:
Positive:   1 x 9867582 x 49337971 x 13898142 x 6949
Negative: -1 x -986758-2 x -493379-71 x -13898-142 x -6949


How do I find the factor combinations of the number 986,758?

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 986,758, 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.

1 986,758
-1 -986,758

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 986,758.

Example:
1 x 986,758 = 986,758
and
-1 x -986,758 = 986,758
Notice both answers equal 986,758

With that explanation out of the way, let's continue. Next, we take the number 986,758 and divide it by 2:

986,758 ÷ 2 = 493,379

If the quotient is a whole number, then 2 and 493,379 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 493,379 986,758
-1 -2 -493,379 -986,758

Now, we try dividing 986,758 by 3:

986,758 ÷ 3 = 328,919.3333

If the quotient is a whole number, then 3 and 328,919.3333 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 2 493,379 986,758
-1 -2 -493,379 -986,758

Let's try dividing by 4:

986,758 ÷ 4 = 246,689.5

If the quotient is a whole number, then 4 and 246,689.5 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 2 493,379 986,758
-1 -2 -493,379 986,758
Keep dividing by the next highest number until you cannot divide anymore.

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

12711426,94913,898493,379986,758
-1-2-71-142-6,949-13,898-493,379-986,758

More Examples

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