Q: What are the prime factors of the number 34,231,905?

 A: 3, 5, 31, 53, 463

Why are those the prime factors of the number 34,231,905?

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 34,231,905

34,231,905
Factor Arrows
311,410,635
Factor Arrows
33,803,545
Factor Arrows
5760,709
Factor Arrows
3124,539
Factor Arrows
53463

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, 5, 31, 53, 463

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 31 x 53 x 463 = 34,231,905

This can also be written as 32 x 51 x 311 x 531 x 4631 = 34,231,905

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


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