Q: What are the prime factors of the number 52,387,776?

 A: 2, 3, 7, 61, 71

Why are those the prime factors of the number 52,387,776?

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 52,387,776

52,387,776
Factor Arrows
226,193,888
Factor Arrows
213,096,944
Factor Arrows
26,548,472
Factor Arrows
23,274,236
Factor Arrows
21,637,118
Factor Arrows
2818,559
Factor Arrows
3272,853
Factor Arrows
390,951
Factor Arrows
330,317
Factor Arrows
74,331
Factor Arrows
6171

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, 3, 7, 61, 71

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 3 x 3 x 3 x 7 x 61 x 71 = 52,387,776

This can also be written as 26 x 33 x 71 x 611 x 711 = 52,387,776

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


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