Q: What are the prime factors of the number 671,200?

 A: 2, 5, 839

Why are those the prime factors of the number 671,200?

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 671,200

671,200
Factor Arrows
2335,600
Factor Arrows
2167,800
Factor Arrows
283,900
Factor Arrows
241,950
Factor Arrows
220,975
Factor Arrows
54,195
Factor Arrows
5839

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, 5, 839

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 839 = 671,200

This can also be written as 25 x 52 x 8391 = 671,200

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


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