Q: What are the prime factors of the number 66,307,823?

 A: 53, 67, 71, 263

Why are those the prime factors of the number 66,307,823?

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 66,307,823

66,307,823
Factor Arrows
531,251,091
Factor Arrows
6718,673
Factor Arrows
71263

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:

53, 67, 71, 263

We can check our work by multiplying all of the prime factors together: 53 x 67 x 71 x 263 = 66,307,823

This can also be written as 531 x 671 x 711 x 2631 = 66,307,823

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


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