Q: What are the prime factors of the number 166,252,443?

 A: 3, 7, 23081

Why are those the prime factors of the number 166,252,443?

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 166,252,443

166,252,443
Factor Arrows
355,417,481
Factor Arrows
77,916,783
Factor Arrows
71,130,969
Factor Arrows
7161,567
Factor Arrows
723,081

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, 23081

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 7 x 7 x 23,081 = 166,252,443

This can also be written as 31 x 74 x 23,0811 = 166,252,443

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


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