Q: What are the prime factors of the number 478,186,044?

 A: 2, 3, 7, 823, 6917

Why are those the prime factors of the number 478,186,044?

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 478,186,044

478,186,044
Factor Arrows
2239,093,022
Factor Arrows
2119,546,511
Factor Arrows
339,848,837
Factor Arrows
75,692,691
Factor Arrows
8236,917

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, 7, 823, 6917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 823 x 6,917 = 478,186,044

This can also be written as 22 x 31 x 71 x 8231 x 6,9171 = 478,186,044

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


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