Q: What are the prime factors of the number 166,501,776?

 A: 2, 3, 7, 37, 59, 227

Why are those the prime factors of the number 166,501,776?

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 166,501,776

166,501,776
Factor Arrows
283,250,888
Factor Arrows
241,625,444
Factor Arrows
220,812,722
Factor Arrows
210,406,361
Factor Arrows
33,468,787
Factor Arrows
7495,541
Factor Arrows
3713,393
Factor Arrows
59227

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, 7, 37, 59, 227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 37 x 59 x 227 = 166,501,776

This can also be written as 24 x 31 x 71 x 371 x 591 x 2271 = 166,501,776

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


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