Q: What are the prime factors of the number 166,236,441?

 A: 3, 7, 199, 39779

Why are those the prime factors of the number 166,236,441?

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 166,236,441

166,236,441
Factor Arrows
355,412,147
Factor Arrows
77,916,021
Factor Arrows
19939,779

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, 199, 39779

We can check our work by multiplying all of the prime factors together: 3 x 7 x 199 x 39,779 = 166,236,441

This can also be written as 31 x 71 x 1991 x 39,7791 = 166,236,441

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


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