Q: What are the prime factors of the number 208,404,336?

 A: 2, 3, 7, 620251

Why are those the prime factors of the number 208,404,336?

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 208,404,336

208,404,336
Factor Arrows
2104,202,168
Factor Arrows
252,101,084
Factor Arrows
226,050,542
Factor Arrows
213,025,271
Factor Arrows
34,341,757
Factor Arrows
7620,251

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, 7, 620251

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 620,251 = 208,404,336

This can also be written as 24 x 31 x 71 x 620,2511 = 208,404,336

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


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