Q: What are the prime factors of the number 547,918?

 A: 2, 7, 5591

Why are those the prime factors of the number 547,918?

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 547,918

547,918
Factor Arrows
2273,959
Factor Arrows
739,137
Factor Arrows
75,591

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, 7, 5591

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 5,591 = 547,918

This can also be written as 21 x 72 x 5,5911 = 547,918

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


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