Q: What are the prime factors of the number 33,242,130?

 A: 2, 3, 5, 23, 53, 101

Why are those the prime factors of the number 33,242,130?

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 33,242,130

33,242,130
Factor Arrows
216,621,065
Factor Arrows
35,540,355
Factor Arrows
31,846,785
Factor Arrows
3615,595
Factor Arrows
5123,119
Factor Arrows
235,353
Factor Arrows
53101

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, 5, 23, 53, 101

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 23 x 53 x 101 = 33,242,130

This can also be written as 21 x 33 x 51 x 231 x 531 x 1011 = 33,242,130

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


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