Q: What are the prime factors of the number 73,148,309?

 A: 13, 19, 47, 6301

Why are those the prime factors of the number 73,148,309?

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 73,148,309

73,148,309
Factor Arrows
135,626,793
Factor Arrows
19296,147
Factor Arrows
476,301

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:

13, 19, 47, 6301

We can check our work by multiplying all of the prime factors together: 13 x 19 x 47 x 6,301 = 73,148,309

This can also be written as 131 x 191 x 471 x 6,3011 = 73,148,309

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


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