Q: What are the prime factors of the number 30,021,300?

 A: 2, 3, 5, 11119

Why are those the prime factors of the number 30,021,300?

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 30,021,300

30,021,300
Factor Arrows
215,010,650
Factor Arrows
27,505,325
Factor Arrows
32,501,775
Factor Arrows
3833,925
Factor Arrows
3277,975
Factor Arrows
555,595
Factor Arrows
511,119

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, 11119

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 5 x 11,119 = 30,021,300

This can also be written as 22 x 33 x 52 x 11,1191 = 30,021,300

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


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