Q: What are the prime factors of the number 378,231,150?

 A: 2, 3, 5, 11, 41, 5591

Why are those the prime factors of the number 378,231,150?

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 378,231,150

378,231,150
Factor Arrows
2189,115,575
Factor Arrows
363,038,525
Factor Arrows
512,607,705
Factor Arrows
52,521,541
Factor Arrows
11229,231
Factor Arrows
415,591

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, 11, 41, 5591

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 11 x 41 x 5,591 = 378,231,150

This can also be written as 21 x 31 x 52 x 111 x 411 x 5,5911 = 378,231,150

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


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