Q: What are the prime factors of the number 33,431,211?

 A: 3, 11, 379

Why are those the prime factors of the number 33,431,211?

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 33,431,211

33,431,211
Factor Arrows
311,143,737
Factor Arrows
33,714,579
Factor Arrows
31,238,193
Factor Arrows
3412,731
Factor Arrows
3137,577
Factor Arrows
345,859
Factor Arrows
114,169
Factor Arrows
11379

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:

3, 11, 379

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 11 x 11 x 379 = 33,431,211

This can also be written as 36 x 112 x 3791 = 33,431,211

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


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