Q: What are the prime factors of the number 55,505,476?

 A: 2, 13, 17, 37, 1697

Why are those the prime factors of the number 55,505,476?

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 55,505,476

55,505,476
Factor Arrows
227,752,738
Factor Arrows
213,876,369
Factor Arrows
131,067,413
Factor Arrows
1762,789
Factor Arrows
371,697

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, 13, 17, 37, 1697

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 17 x 37 x 1,697 = 55,505,476

This can also be written as 22 x 131 x 171 x 371 x 1,6971 = 55,505,476

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


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