Q: What are the prime factors of the number 457,855,464?

 A: 2, 3, 11, 19, 37, 2467

Why are those the prime factors of the number 457,855,464?

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 457,855,464

457,855,464
Factor Arrows
2228,927,732
Factor Arrows
2114,463,866
Factor Arrows
257,231,933
Factor Arrows
319,077,311
Factor Arrows
111,734,301
Factor Arrows
1991,279
Factor Arrows
372,467

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, 11, 19, 37, 2467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 19 x 37 x 2,467 = 457,855,464

This can also be written as 23 x 31 x 111 x 191 x 371 x 2,4671 = 457,855,464

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


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