Q: What are the prime factors of the number 213,351,663?

 A: 3, 7, 71, 143093

Why are those the prime factors of the number 213,351,663?

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 213,351,663

213,351,663
Factor Arrows
371,117,221
Factor Arrows
710,159,603
Factor Arrows
71143,093

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, 7, 71, 143093

We can check our work by multiplying all of the prime factors together: 3 x 7 x 71 x 143,093 = 213,351,663

This can also be written as 31 x 71 x 711 x 143,0931 = 213,351,663

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


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