Q: What are the prime factors of the number 647,004?

 A: 2, 3, 53917

Why are those the prime factors of the number 647,004?

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 647,004

647,004
Factor Arrows
2323,502
Factor Arrows
2161,751
Factor Arrows
353,917

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, 53917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 53,917 = 647,004

This can also be written as 22 x 31 x 53,9171 = 647,004

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


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