Q: What are the prime factors of the number 166,563,230?

 A: 2, 5, 137, 121579

Why are those the prime factors of the number 166,563,230?

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 166,563,230

166,563,230
Factor Arrows
283,281,615
Factor Arrows
516,656,323
Factor Arrows
137121,579

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, 137, 121579

We can check our work by multiplying all of the prime factors together: 2 x 5 x 137 x 121,579 = 166,563,230

This can also be written as 21 x 51 x 1371 x 121,5791 = 166,563,230

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


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