Q: What are the prime factors of the number 413,214,021?

 A: 3, 11, 23, 241, 251

Why are those the prime factors of the number 413,214,021?

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 413,214,021

413,214,021
Factor Arrows
3137,738,007
Factor Arrows
345,912,669
Factor Arrows
315,304,223
Factor Arrows
111,391,293
Factor Arrows
2360,491
Factor Arrows
241251

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, 11, 23, 241, 251

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 23 x 241 x 251 = 413,214,021

This can also be written as 33 x 111 x 231 x 2411 x 2511 = 413,214,021

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


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