Q: What are the prime factors of the number 345,570?

 A: 2, 3, 5, 11519

Why are those the prime factors of the number 345,570?

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 345,570

345,570
Factor Arrows
2172,785
Factor Arrows
357,595
Factor Arrows
511,519

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, 5, 11519

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 11,519 = 345,570

This can also be written as 21 x 31 x 51 x 11,5191 = 345,570

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


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