Q: What are the prime factors of the number 33,855,792?

 A: 2, 3, 43, 47, 349

Why are those the prime factors of the number 33,855,792?

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 33,855,792

33,855,792
Factor Arrows
216,927,896
Factor Arrows
28,463,948
Factor Arrows
24,231,974
Factor Arrows
22,115,987
Factor Arrows
3705,329
Factor Arrows
4316,403
Factor Arrows
47349

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, 3, 43, 47, 349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 43 x 47 x 349 = 33,855,792

This can also be written as 24 x 31 x 431 x 471 x 3491 = 33,855,792

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


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