Q: What are the prime factors of the number 213,276,726?

 A: 2, 3, 13, 33757

Why are those the prime factors of the number 213,276,726?

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 213,276,726

213,276,726
Factor Arrows
2106,638,363
Factor Arrows
335,546,121
Factor Arrows
311,848,707
Factor Arrows
33,949,569
Factor Arrows
31,316,523
Factor Arrows
3438,841
Factor Arrows
1333,757

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, 3, 13, 33757

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 13 x 33,757 = 213,276,726

This can also be written as 21 x 35 x 131 x 33,7571 = 213,276,726

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


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