Q: What are the prime factors of the number 208,839,069?

 A: 3, 107, 229, 947

Why are those the prime factors of the number 208,839,069?

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 208,839,069

208,839,069
Factor Arrows
369,613,023
Factor Arrows
323,204,341
Factor Arrows
107216,863
Factor Arrows
229947

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, 107, 229, 947

We can check our work by multiplying all of the prime factors together: 3 x 3 x 107 x 229 x 947 = 208,839,069

This can also be written as 32 x 1071 x 2291 x 9471 = 208,839,069

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


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