Q: What are the prime factors of the number 605,212,209?

 A: 3, 7, 3202181

Why are those the prime factors of the number 605,212,209?

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 605,212,209

605,212,209
Factor Arrows
3201,737,403
Factor Arrows
367,245,801
Factor Arrows
322,415,267
Factor Arrows
73,202,181

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, 7, 3202181

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 3,202,181 = 605,212,209

This can also be written as 33 x 71 x 3,202,1811 = 605,212,209

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


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