Q: What are the prime factors of the number 231,434,511?

 A: 3, 7, 11, 71, 103, 137

Why are those the prime factors of the number 231,434,511?

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 231,434,511

231,434,511
Factor Arrows
377,144,837
Factor Arrows
711,020,691
Factor Arrows
111,001,881
Factor Arrows
7114,111
Factor Arrows
103137

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, 11, 71, 103, 137

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 71 x 103 x 137 = 231,434,511

This can also be written as 31 x 71 x 111 x 711 x 1031 x 1371 = 231,434,511

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


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