Q: What are the prime factors of the number 56,027,216?

 A: 2, 7, 251, 1993

Why are those the prime factors of the number 56,027,216?

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 56,027,216

56,027,216
Factor Arrows
228,013,608
Factor Arrows
214,006,804
Factor Arrows
27,003,402
Factor Arrows
23,501,701
Factor Arrows
7500,243
Factor Arrows
2511,993

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, 251, 1993

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 251 x 1,993 = 56,027,216

This can also be written as 24 x 71 x 2511 x 1,9931 = 56,027,216

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


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