Q: What are the factor combinations of the number 29,401,637?

 A:
Positive:   1 x 2940163743 x 683759
Negative: -1 x -29401637-43 x -683759


How do I find the factor combinations of the number 29,401,637?

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 29,401,637, 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 29,401,637
-1 -29,401,637

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 29,401,637.

Example:
1 x 29,401,637 = 29,401,637
and
-1 x -29,401,637 = 29,401,637
Notice both answers equal 29,401,637

With that explanation out of the way, let's continue. Next, we take the number 29,401,637 and divide it by 2:

29,401,637 ÷ 2 = 14,700,818.5

If the quotient is a whole number, then 2 and 14,700,818.5 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 29,401,637
-1 -29,401,637

Now, we try dividing 29,401,637 by 3:

29,401,637 ÷ 3 = 9,800,545.6667

If the quotient is a whole number, then 3 and 9,800,545.6667 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 29,401,637
-1 -29,401,637

Let's try dividing by 4:

29,401,637 ÷ 4 = 7,350,409.25

If the quotient is a whole number, then 4 and 7,350,409.25 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 29,401,637
-1 29,401,637
Keep dividing by the next highest number until you cannot divide anymore.

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

143683,75929,401,637
-1-43-683,759-29,401,637

More Examples

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