Q: What are the prime factors of the number 166,590,336?

 A: 2, 3, 11, 39439

Why are those the prime factors of the number 166,590,336?

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 166,590,336

166,590,336
Factor Arrows
283,295,168
Factor Arrows
241,647,584
Factor Arrows
220,823,792
Factor Arrows
210,411,896
Factor Arrows
25,205,948
Factor Arrows
22,602,974
Factor Arrows
21,301,487
Factor Arrows
3433,829
Factor Arrows
1139,439

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, 11, 39439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 11 x 39,439 = 166,590,336

This can also be written as 27 x 31 x 111 x 39,4391 = 166,590,336

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


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