Q: What are the prime factors of the number 166,508,688?

 A: 2, 3, 31, 317, 353

Why are those the prime factors of the number 166,508,688?

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 166,508,688

166,508,688
Factor Arrows
283,254,344
Factor Arrows
241,627,172
Factor Arrows
220,813,586
Factor Arrows
210,406,793
Factor Arrows
33,468,931
Factor Arrows
31111,901
Factor Arrows
317353

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, 3, 31, 317, 353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 31 x 317 x 353 = 166,508,688

This can also be written as 24 x 31 x 311 x 3171 x 3531 = 166,508,688

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


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