Q: What are the prime factors of the number 33,000,380?

 A: 2, 5, 7, 73, 3229

Why are those the prime factors of the number 33,000,380?

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 33,000,380

33,000,380
Factor Arrows
216,500,190
Factor Arrows
28,250,095
Factor Arrows
51,650,019
Factor Arrows
7235,717
Factor Arrows
733,229

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, 5, 7, 73, 3229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 73 x 3,229 = 33,000,380

This can also be written as 22 x 51 x 71 x 731 x 3,2291 = 33,000,380

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


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