Q: What are the prime factors of the number 30,231,150?

 A: 2, 3, 5, 43, 109

Why are those the prime factors of the number 30,231,150?

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 30,231,150

30,231,150
Factor Arrows
215,115,575
Factor Arrows
35,038,525
Factor Arrows
51,007,705
Factor Arrows
5201,541
Factor Arrows
434,687
Factor Arrows
43109

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, 109

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 43 x 43 x 109 = 30,231,150

This can also be written as 21 x 31 x 52 x 432 x 1091 = 30,231,150

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


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