Q: What are the prime factors of the number 33,855,172?

 A: 2, 13, 23, 28307

Why are those the prime factors of the number 33,855,172?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 33,855,172

33,855,172
Factor Arrows
216,927,586
Factor Arrows
28,463,793
Factor Arrows
13651,061
Factor Arrows
2328,307

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 13, 23, 28307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 23 x 28,307 = 33,855,172

This can also be written as 22 x 131 x 231 x 28,3071 = 33,855,172

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 33,855,172:


Ask a Question