Q: What are the prime factors of the number 166,786,032?

 A: 2, 3, 7, 41, 12107

Why are those the prime factors of the number 166,786,032?

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 166,786,032

166,786,032
Factor Arrows
283,393,016
Factor Arrows
241,696,508
Factor Arrows
220,848,254
Factor Arrows
210,424,127
Factor Arrows
33,474,709
Factor Arrows
7496,387
Factor Arrows
4112,107

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, 41, 12107

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 41 x 12,107 = 166,786,032

This can also be written as 24 x 31 x 71 x 411 x 12,1071 = 166,786,032

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


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