Q: What are the prime factors of the number 57,120,550?

 A: 2, 5, 101, 11311

Why are those the prime factors of the number 57,120,550?

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 57,120,550

57,120,550
Factor Arrows
228,560,275
Factor Arrows
55,712,055
Factor Arrows
51,142,411
Factor Arrows
10111,311

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, 5, 101, 11311

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 101 x 11,311 = 57,120,550

This can also be written as 21 x 52 x 1011 x 11,3111 = 57,120,550

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


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