Q: What are the prime factors of the number 34,256,990?

 A: 2, 5, 61, 89, 631

Why are those the prime factors of the number 34,256,990?

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 34,256,990

34,256,990
Factor Arrows
217,128,495
Factor Arrows
53,425,699
Factor Arrows
6156,159
Factor Arrows
89631

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, 61, 89, 631

We can check our work by multiplying all of the prime factors together: 2 x 5 x 61 x 89 x 631 = 34,256,990

This can also be written as 21 x 51 x 611 x 891 x 6311 = 34,256,990

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


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