Q: What are the prime factors of the number 343,012,340?

 A: 2, 5, 11, 23, 67789

Why are those the prime factors of the number 343,012,340?

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 343,012,340

343,012,340
Factor Arrows
2171,506,170
Factor Arrows
285,753,085
Factor Arrows
517,150,617
Factor Arrows
111,559,147
Factor Arrows
2367,789

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, 5, 11, 23, 67789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 23 x 67,789 = 343,012,340

This can also be written as 22 x 51 x 111 x 231 x 67,7891 = 343,012,340

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


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