Q: What are the prime factors of the number 346,634,840?

 A: 2, 5, 23, 53, 7109

Why are those the prime factors of the number 346,634,840?

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 346,634,840

346,634,840
Factor Arrows
2173,317,420
Factor Arrows
286,658,710
Factor Arrows
243,329,355
Factor Arrows
58,665,871
Factor Arrows
23376,777
Factor Arrows
537,109

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, 23, 53, 7109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 23 x 53 x 7,109 = 346,634,840

This can also be written as 23 x 51 x 231 x 531 x 7,1091 = 346,634,840

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


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