Q: What are the prime factors of the number 211,040,250?

 A: 2, 3, 5, 29, 31, 313

Why are those the prime factors of the number 211,040,250?

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 211,040,250

211,040,250
Factor Arrows
2105,520,125
Factor Arrows
335,173,375
Factor Arrows
57,034,675
Factor Arrows
51,406,935
Factor Arrows
5281,387
Factor Arrows
299,703
Factor Arrows
31313

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, 5, 29, 31, 313

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 29 x 31 x 313 = 211,040,250

This can also be written as 21 x 31 x 53 x 291 x 311 x 3131 = 211,040,250

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


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