Q: What are the prime factors of the number 52,478,920?

 A: 2, 5, 13, 43, 2347

Why are those the prime factors of the number 52,478,920?

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 52,478,920

52,478,920
Factor Arrows
226,239,460
Factor Arrows
213,119,730
Factor Arrows
26,559,865
Factor Arrows
51,311,973
Factor Arrows
13100,921
Factor Arrows
432,347

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, 5, 13, 43, 2347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 13 x 43 x 2,347 = 52,478,920

This can also be written as 23 x 51 x 131 x 431 x 2,3471 = 52,478,920

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


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