Q: What are the prime factors of the number 166,125,250?

 A: 2, 5, 557, 1193

Why are those the prime factors of the number 166,125,250?

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 166,125,250

166,125,250
Factor Arrows
283,062,625
Factor Arrows
516,612,525
Factor Arrows
53,322,505
Factor Arrows
5664,501
Factor Arrows
5571,193

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, 557, 1193

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 557 x 1,193 = 166,125,250

This can also be written as 21 x 53 x 5571 x 1,1931 = 166,125,250

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


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