Q: What are the factor combinations of the number 29,155?

 A:
Positive:   1 x 291555 x 58317 x 416517 x 171535 x 83349 x 59585 x 343119 x 245
Negative: -1 x -29155-5 x -5831-7 x -4165-17 x -1715-35 x -833-49 x -595-85 x -343-119 x -245


How do I find the factor combinations of the number 29,155?

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 29,155, 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 29,155
-1 -29,155

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 29,155.

Example:
1 x 29,155 = 29,155
and
-1 x -29,155 = 29,155
Notice both answers equal 29,155

With that explanation out of the way, let's continue. Next, we take the number 29,155 and divide it by 2:

29,155 ÷ 2 = 14,577.5

If the quotient is a whole number, then 2 and 14,577.5 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 29,155
-1 -29,155

Now, we try dividing 29,155 by 3:

29,155 ÷ 3 = 9,718.3333

If the quotient is a whole number, then 3 and 9,718.3333 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 29,155
-1 -29,155

Let's try dividing by 4:

29,155 ÷ 4 = 7,288.75

If the quotient is a whole number, then 4 and 7,288.75 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 29,155
-1 29,155
Keep dividing by the next highest number until you cannot divide anymore.

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

157173549851192453435958331,7154,1655,83129,155
-1-5-7-17-35-49-85-119-245-343-595-833-1,715-4,165-5,831-29,155

More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 29,155:


Ask a Question