Q: What are the prime factors of the number 420,244,011?

 A: 3, 11, 307, 419

Why are those the prime factors of the number 420,244,011?

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 420,244,011

420,244,011
Factor Arrows
3140,081,337
Factor Arrows
346,693,779
Factor Arrows
315,564,593
Factor Arrows
111,414,963
Factor Arrows
11128,633
Factor Arrows
307419

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, 307, 419

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 11 x 307 x 419 = 420,244,011

This can also be written as 33 x 112 x 3071 x 4191 = 420,244,011

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


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