Q: What are the prime factors of the number 213,414,404?

 A: 2, 7, 47, 23167

Why are those the prime factors of the number 213,414,404?

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 213,414,404

213,414,404
Factor Arrows
2106,707,202
Factor Arrows
253,353,601
Factor Arrows
77,621,943
Factor Arrows
71,088,849
Factor Arrows
4723,167

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, 7, 47, 23167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 47 x 23,167 = 213,414,404

This can also be written as 22 x 72 x 471 x 23,1671 = 213,414,404

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


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