Q: What are the prime factors of the number 55,210,518?

 A: 2, 3, 11, 41, 2267

Why are those the prime factors of the number 55,210,518?

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 55,210,518

55,210,518
Factor Arrows
227,605,259
Factor Arrows
39,201,753
Factor Arrows
33,067,251
Factor Arrows
31,022,417
Factor Arrows
1192,947
Factor Arrows
412,267

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, 11, 41, 2267

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 41 x 2,267 = 55,210,518

This can also be written as 21 x 33 x 111 x 411 x 2,2671 = 55,210,518

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


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