Q: What are the prime factors of the number 30,160,550?

 A: 2, 5, 7, 17, 37, 137

Why are those the prime factors of the number 30,160,550?

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 30,160,550

30,160,550
Factor Arrows
215,080,275
Factor Arrows
53,016,055
Factor Arrows
5603,211
Factor Arrows
786,173
Factor Arrows
175,069
Factor Arrows
37137

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, 7, 17, 37, 137

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 17 x 37 x 137 = 30,160,550

This can also be written as 21 x 52 x 71 x 171 x 371 x 1371 = 30,160,550

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


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