Q: What are the prime factors of the number 210,005,065?

 A: 5, 23, 79397

Why are those the prime factors of the number 210,005,065?

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 210,005,065

210,005,065
Factor Arrows
542,001,013
Factor Arrows
231,826,131
Factor Arrows
2379,397

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:

5, 23, 79397

We can check our work by multiplying all of the prime factors together: 5 x 23 x 23 x 79,397 = 210,005,065

This can also be written as 51 x 232 x 79,3971 = 210,005,065

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


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