Q: What are the prime factors of the number 349,485?

 A: 3, 5, 23, 1013

Why are those the prime factors of the number 349,485?

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 349,485

349,485
Factor Arrows
3116,495
Factor Arrows
523,299
Factor Arrows
231,013

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:

3, 5, 23, 1013

We can check our work by multiplying all of the prime factors together: 3 x 5 x 23 x 1,013 = 349,485

This can also be written as 31 x 51 x 231 x 1,0131 = 349,485

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


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