Q: What are the prime factors of the number 520,301,421?

 A: 3, 47, 410009

Why are those the prime factors of the number 520,301,421?

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 520,301,421

520,301,421
Factor Arrows
3173,433,807
Factor Arrows
357,811,269
Factor Arrows
319,270,423
Factor Arrows
47410,009

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, 47, 410009

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 47 x 410,009 = 520,301,421

This can also be written as 33 x 471 x 410,0091 = 520,301,421

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


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