Q: What are the prime factors of the number 346,351,257?

 A: 3, 7, 785377

Why are those the prime factors of the number 346,351,257?

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 346,351,257

346,351,257
Factor Arrows
3115,450,419
Factor Arrows
338,483,473
Factor Arrows
75,497,639
Factor Arrows
7785,377

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, 7, 785377

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 785,377 = 346,351,257

This can also be written as 32 x 72 x 785,3771 = 346,351,257

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


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