Q: What are the prime factors of the number 56,542,136?

 A: 2, 7, 17, 59393

Why are those the prime factors of the number 56,542,136?

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 56,542,136

56,542,136
Factor Arrows
228,271,068
Factor Arrows
214,135,534
Factor Arrows
27,067,767
Factor Arrows
71,009,681
Factor Arrows
1759,393

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, 17, 59393

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 17 x 59,393 = 56,542,136

This can also be written as 23 x 71 x 171 x 59,3931 = 56,542,136

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


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