Q: What are the prime factors of the number 53,120,540?

 A: 2, 5, 11, 89, 2713

Why are those the prime factors of the number 53,120,540?

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 53,120,540

53,120,540
Factor Arrows
226,560,270
Factor Arrows
213,280,135
Factor Arrows
52,656,027
Factor Arrows
11241,457
Factor Arrows
892,713

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, 11, 89, 2713

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 89 x 2,713 = 53,120,540

This can also be written as 22 x 51 x 111 x 891 x 2,7131 = 53,120,540

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


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