Q: What are the prime factors of the number 667,058?

 A: 2, 7, 29, 31, 53

Why are those the prime factors of the number 667,058?

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 667,058

667,058
Factor Arrows
2333,529
Factor Arrows
747,647
Factor Arrows
291,643
Factor Arrows
3153

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, 29, 31, 53

We can check our work by multiplying all of the prime factors together: 2 x 7 x 29 x 31 x 53 = 667,058

This can also be written as 21 x 71 x 291 x 311 x 531 = 667,058

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


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