Q: What are the prime factors of the number 52,545,472?

 A: 2, 7, 53, 2213

Why are those the prime factors of the number 52,545,472?

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 52,545,472

52,545,472
Factor Arrows
226,272,736
Factor Arrows
213,136,368
Factor Arrows
26,568,184
Factor Arrows
23,284,092
Factor Arrows
21,642,046
Factor Arrows
2821,023
Factor Arrows
7117,289
Factor Arrows
532,213

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, 7, 53, 2213

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 53 x 2,213 = 52,545,472

This can also be written as 26 x 71 x 531 x 2,2131 = 52,545,472

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


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