Q: What are the prime factors of the number 166,104,603?

 A: 3, 7, 17, 31, 5003

Why are those the prime factors of the number 166,104,603?

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 166,104,603

166,104,603
Factor Arrows
355,368,201
Factor Arrows
318,456,067
Factor Arrows
72,636,581
Factor Arrows
17155,093
Factor Arrows
315,003

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:

3, 7, 17, 31, 5003

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 17 x 31 x 5,003 = 166,104,603

This can also be written as 32 x 71 x 171 x 311 x 5,0031 = 166,104,603

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


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