Q: What are the prime factors of the number 206,434,638?

 A: 2, 3, 17, 67, 10069

Why are those the prime factors of the number 206,434,638?

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 206,434,638

206,434,638
Factor Arrows
2103,217,319
Factor Arrows
334,405,773
Factor Arrows
311,468,591
Factor Arrows
17674,623
Factor Arrows
6710,069

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, 17, 67, 10069

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 17 x 67 x 10,069 = 206,434,638

This can also be written as 21 x 32 x 171 x 671 x 10,0691 = 206,434,638

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


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