Q: What are the prime factors of the number 166,512,339?

 A: 3, 7, 491, 769

Why are those the prime factors of the number 166,512,339?

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 166,512,339

166,512,339
Factor Arrows
355,504,113
Factor Arrows
318,501,371
Factor Arrows
72,643,053
Factor Arrows
7377,579
Factor Arrows
491769

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, 491, 769

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 491 x 769 = 166,512,339

This can also be written as 32 x 72 x 4911 x 7691 = 166,512,339

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


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