Q: What are the prime factors of the number 346,680?

 A: 2, 3, 5, 107

Why are those the prime factors of the number 346,680?

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 346,680

346,680
Factor Arrows
2173,340
Factor Arrows
286,670
Factor Arrows
243,335
Factor Arrows
314,445
Factor Arrows
34,815
Factor Arrows
31,605
Factor Arrows
3535
Factor Arrows
5107

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, 107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 5 x 107 = 346,680

This can also be written as 23 x 34 x 51 x 1071 = 346,680

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


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