Q: What are the prime factors of the number 30,023,460?

 A: 2, 3, 5, 43, 431

Why are those the prime factors of the number 30,023,460?

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 30,023,460

30,023,460
Factor Arrows
215,011,730
Factor Arrows
27,505,865
Factor Arrows
32,501,955
Factor Arrows
3833,985
Factor Arrows
3277,995
Factor Arrows
392,665
Factor Arrows
518,533
Factor Arrows
43431

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, 43, 431

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 5 x 43 x 431 = 30,023,460

This can also be written as 22 x 34 x 51 x 431 x 4311 = 30,023,460

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


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