Q: What are the prime factors of the number 457,341,138?

 A: 2, 3, 25407841

Why are those the prime factors of the number 457,341,138?

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 457,341,138

457,341,138
Factor Arrows
2228,670,569
Factor Arrows
376,223,523
Factor Arrows
325,407,841

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, 25407841

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 25,407,841 = 457,341,138

This can also be written as 21 x 32 x 25,407,8411 = 457,341,138

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


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