Q: What are the prime factors of the number 34,231,428?

 A: 2, 3, 7, 11, 53, 233

Why are those the prime factors of the number 34,231,428?

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 34,231,428

34,231,428
Factor Arrows
217,115,714
Factor Arrows
28,557,857
Factor Arrows
32,852,619
Factor Arrows
3950,873
Factor Arrows
7135,839
Factor Arrows
1112,349
Factor Arrows
53233

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, 7, 11, 53, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 11 x 53 x 233 = 34,231,428

This can also be written as 22 x 32 x 71 x 111 x 531 x 2331 = 34,231,428

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


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