Q: What are the prime factors of the number 205,013,235?

 A: 3, 5, 7, 859, 2273

Why are those the prime factors of the number 205,013,235?

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 205,013,235

205,013,235
Factor Arrows
368,337,745
Factor Arrows
513,667,549
Factor Arrows
71,952,507
Factor Arrows
8592,273

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, 5, 7, 859, 2273

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 859 x 2,273 = 205,013,235

This can also be written as 31 x 51 x 71 x 8591 x 2,2731 = 205,013,235

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


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