Q: What are the prime factors of the number 378,744,030?

 A: 2, 3, 5, 7, 12269

Why are those the prime factors of the number 378,744,030?

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 378,744,030

378,744,030
Factor Arrows
2189,372,015
Factor Arrows
363,124,005
Factor Arrows
321,041,335
Factor Arrows
54,208,267
Factor Arrows
7601,181
Factor Arrows
785,883
Factor Arrows
712,269

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, 7, 12269

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 7 x 7 x 12,269 = 378,744,030

This can also be written as 21 x 32 x 51 x 73 x 12,2691 = 378,744,030

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


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